{"title":"Non-Halogenated Heterocyclic Building Blocks","description":"\u003cp\u003e\u003cstrong\u003eNon-Halogenated Heterocyclic Building Blocks\u003c\/strong\u003e — mencakup senyawa dengan cincin heterosiklik beranggota atom nitrogen, oksigen, atau sulfur seperti piridin, furan, tiofena, pirol, imidazol, dan turunannya tanpa substituen halogen. Cincin heterosiklik ini merupakan rangka inti yang berulang pada banyak molekul bioaktif dan bahan fungsional.\u003c\/p\u003e\u003cp\u003eNon-Halogenated Heterocyclic Building Blocks dipakai peneliti kimia medisinal dan sintesis organik sebagai kerangka awal untuk merakit turunan piridin, pirimidin, atau imidazol lewat reaksi substitusi, siklisasi, dan fungsionalisasi cincin. Kategori ini juga menjadi rujukan untuk riset ligan, agrokimia, serta molekul fungsional pada material dan elektronik organik.\u003c\/p\u003e\u003cp\u003eContoh produk dalam koleksi ini: \u003ca href=\"\/en\/products\/tci2510a0102163\"\u003eTCI A0102 1696-20-4 4-Acetylmorpholine\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510b557512237\"\u003eTCI B5575 83766-88-5 2-tert-Butoxypyridine\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510a0111176\"\u003eTCI A0111 1122-62-9 2-Acetylpyridine\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510b560112277\"\u003eTCI B5601 7144-65-2 2-[([1,1'-Biphenyl]-2-yloxy)methyl]oxirane\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510a0112178\"\u003eTCI A0112 350-03-8 3-Acetylpyridine\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510b565812355\"\u003eTCI B5658 129378-52-5 2-(tert-Butyldimethylsilyl)-N,N-dimethyl-1H-imidazole-1-sulfonamide\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510a0113180\"\u003eTCI A0113 1122-54-9 4-Acetylpyridine\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510b570612422\"\u003eTCI B5706 90101-20-5 tert-Butyl (4-Methylpyridin-2-yl)carbamate\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003ePerhatikan posisi substituen pada cincin, kemurnian tautomer atau regioisomer yang tersedia, serta kestabilan senyawa terhadap kelembapan dan cahaya selama penyimpanan. Seluruh produk merupakan produk asli Tokyo Chemical Industry (TCI) Jepang, dengan kemurnian, kemasan, dan kondisi penyimpanan tercantum pada halaman masing-masing item.\u003c\/p\u003e\u003cp\u003eKategori lain yang sejajar di bawah Heterocyclic Building Blocks, sering dipakai bersamaan dalam satu alur kerja laboratorium:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l4-halogenated-heterocyclic-building-blocks\"\u003eHalogenated Heterocyclic Building Blocks\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l3-non-heterocyclic-building-blocks\"\u003eNon-Heterocyclic Building Blocks\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l3-fluorinated-building-blocks\"\u003eFluorinated Building Blocks\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l3-specialized-building-blocks-for-drug-discovery\"\u003eSpecialized Building Blocks for Drug Discovery\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eKembali ke \u003ca href=\"\/en\/collections\/tci-l3-heterocyclic-building-blocks\"\u003eHeterocyclic Building Blocks\u003c\/a\u003e. Untuk pengadaan volume besar, kemasan khusus, atau grade tertentu, hubungi tim AMI Scientific — distributor resmi TCI Japan di Indonesia — untuk pengecekan ketersediaan dan lead time langsung ke Jepang.\u003c\/p\u003e","products":[{"product_id":"tci2510b560112277","title":"TCI B5601 7144-65-2 2-[([1,1'-Biphenyl]-2-yloxy)methyl]oxirane","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e2-[([1,1'-Biphenyl]-2-yloxy)methyl]oxirane (CAS 7144-65-2) is a non-heterocyclic epoxide building block supplied by TCI for organic synthesis applications. This compound features a reactive oxirane ring suitable for ring-opening reactions and a biphenyl moiety that imparts aromaticity and structural rigidity. It is commonly employed in pharmaceutical synthesis, functional material development, and the construction of complex molecular architectures in organic chemistry research.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"25g","offer_id":48085890236634,"sku":"TCI2510B560112277","price":1844000.0,"currency_code":"IDR","in_stock":true},{"title":"100g","offer_id":48085890269402,"sku":"TCI2510B560112278","price":4821000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5601_239fac61-21d5-432a-90e8-7e23ed070ae0.jpg?v=1767862574"},{"product_id":"tci2510b565812355","title":"TCI B5658 129378-52-5 2-(tert-Butyldimethylsilyl)-N,N-dimethyl-1H-imidazole-1-sulfonamide","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B5658, 2-(*tert*-butyldimethylsilyl)-*N,N*-dimethyl-1*H*-imidazole-1-sulfonamide (CAS 129378-52-5), is a heterocyclic building block featuring a TBDMS-protected imidazole core with a dimethylsulfonamide substituent, supplied in 1 g and 5 g packaging. This compound serves as a versatile intermediate in medicinal chemistry and pharmaceutical research, where the TBDMS group enables selective protection during multi-step synthetic routes. Its sulfonamide-imidazole scaffold is particularly valuable for constructing enzyme inhibitors and other biologically active molecular frameworks.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085894398170,"sku":"TCI2510B565812355","price":2524000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085894430938,"sku":"TCI2510B565812356","price":8530000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5658_88becc14-60c2-4481-b8f2-77d7f6b39f52.jpg?v=1767862815"},{"product_id":"tci2510b571012428","title":"TCI B5710 2963-77-1 4-(1H-Benzimidazol-2-yl)aniline","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e4-(1H-Benzimidazol-2-yl)aniline is a chemical compound widely used as a building block in the synthesis of heterocyclic compounds. This versatile reagent plays a crucial role in laboratory settings, where it is employed to create complex molecular structures, particularly those containing benzimidazole frameworks. Its importance lies in its ability to participate in various chemical reactions that lead to the formation of functionalized derivatives. In the context of Indonesian laboratories, this compound is a key component in both academic and industrial research, supporting the development of new chemical entities and pharmaceutical compounds.\u003c\/p\u003e\n\u003cp\u003eThe compound's reactivity and structural versatility make it a preferred choice for chemists working on synthetic pathways. Its molecular structure, featuring both aniline and benzimidazole groups, allows for multiple bonding interactions with other molecules, enhancing its applicability in diverse chemical contexts. This reactivity, combined with its stability under controlled conditions, ensures that it remains a reliable and effective tool for researchers. Its ability to form stable intermediates in synthetic processes further solidifies its position as a valuable reagent in chemical synthesis.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, 4-(1H-Benzimidazol-2-yl)aniline is commonly used in the study of organic chemistry, pharmaceutical development, and materials science. Its presence in research projects focused on drug discovery and chemical innovation underscores its significance in advancing scientific knowledge. The compound’s adaptability and chemical stability make it a go-to material for experiments requiring high reactivity and structural complexity.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOrganic synthesis of benzimidazole derivatives due to its reactive aniline and benzimidazole groups.\u003c\/li\u003e\n\u003cli\u003ePharmaceutical research for the development of new drugs with heterocyclic frameworks.\u003c\/li\u003e\n\u003cli\u003eChemical engineering applications in the production of specialty chemicals and polymers.\u003c\/li\u003e\n\u003cli\u003eAcademic research in medicinal chemistry for the exploration of bioactive compounds.\u003c\/li\u003e\n\u003cli\u003eIndustrial applications in the formulation of dyes, pigments, and other functional materials.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 2963-77-1\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: 25g, 100g, 500g\u003c\/li\u003e\n\u003cli\u003ePhysical form: Solid powder\u003c\/li\u003e\n\u003cli\u003eStorage note: Store in a cool, dry place away from light and moisture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eThis compound should be stored in a cool, dry environment, away from direct sunlight and moisture. It is recommended to keep it in a sealed container to prevent exposure to air and humidity. Due to its reactivity, it should be handled with appropriate personal protective equipment, such as gloves and safety goggles. It is important to ensure that the storage area is well-ventilated to minimize the risk of inhalation. Avoid contact with incompatible substances, such as strong oxidizers or acids, to maintain its chemical stability. Proper labeling and storage practices are essential to ensure safe handling and long-term usability in laboratory settings.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085898658010,"sku":"TCI2510B571012428","price":4923000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085898690778,"sku":"TCI2510B571012429","price":15698000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5710.jpg?v=1768815868"},{"product_id":"tci2510b580112542","title":"TCI B5801 141699-58-3 tert-Butyl 3-[(Methylsulfonyl)oxy]azetidine-1-carboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTert-Butyl 3-[(Methylsulfonyl)oxy]azetidine-1-carboxylate is a chemical compound widely used in organic synthesis reactions, particularly in the formation of heterocyclic compounds. This material serves as a key building block in the development of complex molecular structures, making it essential for researchers in both academic and industrial settings. Its role in laboratory environments is critical, as it enables the synthesis of compounds with potential applications in pharmaceuticals, materials science, and chemical engineering. Due to its structural versatility and functional groups, it is a fundamental reagent for chemists aiming to explore new synthetic pathways.\u003c\/p\u003e\n\u003cp\u003eThe compound’s unique molecular structure, featuring both ester and sulfonate functional groups, makes it highly reactive and suitable for various chemical transformations. Its stability under controlled reaction conditions allows for precise manipulation in synthetic processes, ensuring reproducibility and reliability in experimental outcomes. The presence of the tert-butyl group further enhances its reactivity, enabling it to participate in ring-opening and substitution reactions. These properties make it a preferred choice for researchers requiring high chemical specificity and control in their experiments.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this compound is commonly used by chemists and pharmacologists for the development of new drugs, organic compound modifications, and the study of advanced materials. Its relevance in heterocyclic synthesis and its adaptability to different reaction conditions make it a valuable tool for scientific innovation in the region. The compound’s versatility and reliability in laboratory applications continue to drive its use in diverse research fields.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOrganic synthesis of heterocyclic compounds due to its functional groups and structural versatility.\u003c\/li\u003e\n\u003cli\u003eDevelopment of pharmaceuticals as a building block for complex drug molecules.\u003c\/li\u003e\n\u003cli\u003eModification of organic compounds through ring-opening and substitution reactions.\u003c\/li\u003e\n\u003cli\u003eResearch in materials science for the creation of advanced chemical materials.\u003c\/li\u003e\n\u003cli\u003eInvestigation of biological activities in drug discovery and chemical biology studies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 141699-58-3\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: Available in standard laboratory quantities\u003c\/li\u003e\n\u003cli\u003ePhysical form: Solid, crystalline appearance\u003c\/li\u003e\n\u003cli\u003eStorage note: Store in a cool, dry place away from moisture and direct sunlight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eThis compound should be stored in a cool, dry environment, away from moisture and direct sunlight to maintain its stability and reactivity. It is recommended to use airtight containers made of glass or high-density polyethylene to prevent contamination and degradation. Due to its chemical nature, it should be handled with appropriate personal protective equipment, such as gloves and safety goggles, to ensure laboratory safety. Avoid exposure to heat and incompatible substances to prevent unwanted reactions. Proper storage and handling are essential to maintain the compound’s integrity and effectiveness in experimental applications.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"5g","offer_id":48085904031962,"sku":"TCI2510B580112542","price":1086000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48085904064730,"sku":"TCI2510B580112543","price":4266000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5801_6db46852-483a-4c64-9e5c-d41e819d6f08.jpg?v=1767863386"},{"product_id":"tci2510b583112587","title":"TCI B5831 66207-08-7 Benzyl 7-Oxa-3-azabicyclo[4.1.0]heptane-3-carboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eBenzyl 7-Oxa-3-azabicyclo[4.1.0]heptane-3-carboxylate (CAS 66207-08-7) is a heterocyclic building block supplied by TCI, widely employed in medicinal chemistry and organic synthesis research. Its strained bicyclic framework containing a reactive epoxide moiety makes it a valuable intermediate for ring-opening reactions and scaffold diversification in drug discovery programs. The N-Cbz protecting group further enables selective deprotection during multi-step synthetic routes, offering flexibility to researchers working on complex molecule construction.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"200mg","offer_id":48085905670362,"sku":"TCI2510B583112587","price":1792000.0,"currency_code":"IDR","in_stock":true},{"title":"1g","offer_id":48085905703130,"sku":"TCI2510B583112588","price":6992000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5831_ad082cad-83b1-46fb-af03-29caef66c6b4.jpg?v=1767863529"},{"product_id":"tci2510b584712605","title":"TCI B5847 167484-18-6 Benzyl Spiro[indoline-3,4'-piperidine]-1'-carboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eBenzyl Spiro[indoline-3,4'-piperidine]-1'-carboxylate is a chemical compound widely used in synthetic reactions to construct complex heterocyclic structures. This versatile building block is commonly found in chemical laboratories as a precursor for the synthesis of bioactive compounds. Its unique molecular structure enables it to serve as a key component in the development of molecules with indole and piperidine variations. Due to its complex chemical structure, this compound exhibits high reactivity, making it suitable for various chemical transformations such as acylation, conjugation, and substitution reactions.\u003c\/p\u003e\n\u003cp\u003eThe compound’s reactivity and structural versatility make it a preferred choice for researchers in organic chemistry and pharmacology. Its ability to participate in multiple reaction pathways allows for the synthesis of a wide range of derivatives with potential therapeutic applications. The compound’s stability under controlled conditions further enhances its usability in laboratory settings. These properties make it a valuable tool for scientists aiming to develop new compounds with specific biological activities.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, Benzyl Spiro[indoline-3,4'-piperidine]-1'-carboxylate is frequently used in organic chemistry and pharmacology research. It is a key reagent in the study of bioactive compounds and the synthesis of complex molecules. Many research institutions and universities in Indonesia incorporate this compound into their studies on biological activity and advanced synthetic methodologies. Its use is also integral to programs focused on drug discovery and molecular design.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOrganic synthesis of bioactive compounds due to its reactivity and structural versatility.\u003c\/li\u003e\n\u003cli\u003eDevelopment of pharmaceuticals through the synthesis of indole and piperidine derivatives.\u003c\/li\u003e\n\u003cli\u003eResearch in pharmacology for the study of molecular interactions and biological activity.\u003c\/li\u003e\n\u003cli\u003eAdvanced chemical reactions such as acylation and conjugation in synthetic pathways.\u003c\/li\u003e\n\u003cli\u003eInvestigation of complex molecular structures in drug discovery and medicinal chemistry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 167484-18-6\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: Not specified\u003c\/li\u003e\n\u003cli\u003ePhysical form: Not specified\u003c\/li\u003e\n\u003cli\u003eStorage note: Store in a cool, dry place away from light and moisture.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eThis compound should be stored in a cool, dry environment, away from direct light and moisture. It is recommended to use airtight containers to prevent exposure to air and humidity. Due to its reactivity, it should be handled with care in a well-ventilated laboratory setting. Proper personal protective equipment, such as gloves and safety goggles, should be worn when handling the material. Avoid contact with incompatible substances to ensure safe storage and use. Regular monitoring of storage conditions is advised to maintain the compound’s integrity and effectiveness in laboratory applications.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085906358490,"sku":"TCI2510B584712605","price":7168000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5847.jpg?v=1767092839"},{"product_id":"tci2510b588412653","title":"TCI B5884 205-39-0 Benzo[b]naphtho[1,2-d]furan","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eBenzo[b]naphtho[1,2-d]furan (CAS 205-39-0) is a polycyclic heterocyclic building block supplied by TCI, widely utilized in organic synthesis and materials science research. This fused-ring compound serves as a key intermediate for constructing complex heterocyclic systems with potential applications in organic electronics, including OLED and semiconductor development. It is also employed in pharmaceutical research and photophysical studies exploring the optical and electronic properties of polyaromatic derivatives.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085908226266,"sku":"TCI2510B588412653","price":2702000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085908259034,"sku":"TCI2510B588412654","price":9288000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5884_f750f1b7-3d0f-402c-8be1-1af57f4e394a.jpg?v=1767863734"},{"product_id":"tci2510b594912726","title":"TCI B5949 6342-17-2 1,4-Bis(acryloyl)piperazine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e1,4-Bis(acryloyl)piperazine is a bifunctional heterocyclic building block widely employed in organic synthesis and polymer chemistry. Featuring two reactive acryloyl groups attached to a piperazine core, this compound serves as an efficient crosslinking agent for preparing polyacrylamide hydrogels, responsive polymer networks, and piperazine-based macromolecular architectures. It is also utilized in biochemical research applications, including gel electrophoresis matrices and drug delivery system development.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085911175386,"sku":"TCI2510B594912726","price":1010000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085911208154,"sku":"TCI2510B594912727","price":3207000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5949_55ca6276-2d9a-44bb-88f9-f707f3563327.jpg?v=1767863957"},{"product_id":"tci2510b595112730","title":"TCI B5951 368879-17-8 1-(4-Bromobenzyl)-4-methylpiperazine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e1-(4-Bromobenzyl)-4-methylpiperazine is a substituted piperazine derivative widely used as a heterocyclic building block in organic synthesis. This compound serves as a valuable intermediate for constructing pharmaceutical candidates, particularly those targeting central nervous system receptors and antimicrobial pathways. Its well-defined structure and reliable quality from TCI make it an ideal choice for medicinal chemistry and drug discovery research.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085911339226,"sku":"TCI2510B595112730","price":884000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5951.jpg?v=1769180246"},{"product_id":"tci2510b596912751","title":"TCI B5969 161157-50-2 tert-Butyl 7-Oxa-3-azabicyclo[4.1.0]heptane-3-carboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTert-Butyl 7-Oxa-3-azabicyclo[4.1.0]heptane-3-carboxylate is a chemical compound used as a foundational building block in the synthesis of complex molecules. This compound plays a crucial role in organic chemistry laboratories, where it serves as a versatile reagent for constructing intricate molecular structures. Its unique heterocyclic framework enables highly specific chemical reactions, making it an essential tool for researchers aiming to develop new compounds with precise functional properties.\u003c\/p\u003e\n\u003cp\u003eThe compound is valued for its chemical stability under controlled conditions and its good solubility in organic solvents. These properties make it ideal for use in a wide range of synthetic processes, allowing for greater control and reproducibility in experimental outcomes. The ability to undergo substitution and other targeted reactions further enhances its utility, particularly in applications requiring high accuracy and precision.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this compound is widely utilized by chemists and scientists for the development of new pharmaceuticals, materials, and organic compounds. Its availability in the local market supports research efforts without the need for imports, ensuring accessibility for academic and industrial research. Its role in advancing chemical innovation is significant, especially in fields where molecular complexity is key to achieving desired outcomes.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePharmaceutical research and development: This compound is used to synthesize complex drug molecules due to its ability to participate in specific chemical reactions.\u003c\/li\u003e\n\u003cli\u003eOrganic chemistry synthesis: Its heterocyclic structure allows for the creation of intricate molecular frameworks, supporting the development of new chemical entities.\u003c\/li\u003e\n\u003cli\u003eMaterial science applications: The compound is employed in the synthesis of advanced materials, where precise molecular design is essential for desired properties.\u003c\/li\u003e\n\u003cli\u003eAcademic research in chemistry: It serves as a key reagent in teaching and experimental studies, providing students and researchers with a reliable building block.\u003c\/li\u003e\n\u003cli\u003eCompound modification and functionalization: Its reactivity enables the introduction of specific functional groups, facilitating the creation of tailored chemical structures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 161157-50-2\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Non-Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: Available in standard laboratory quantities\u003c\/li\u003e\n\u003cli\u003ePhysical form: Solid or liquid, depending on manufacturer specifications\u003c\/li\u003e\n\u003cli\u003eStorage note: Store in a cool, dry place away from direct sunlight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eThis compound should be stored in a cool, dry environment to maintain its chemical stability. It is recommended to keep it in a tightly sealed container to prevent exposure to moisture and air. Suitable storage containers include glass or high-density polyethylene vessels that are resistant to chemical degradation. In laboratory settings, it is important to handle the compound with appropriate personal protective equipment, such as gloves and safety goggles, to ensure safety during use. Proper labeling of storage containers is also essential for safe handling and to prevent accidental exposure. Regular monitoring of storage conditions ensures the compound remains in optimal condition for use in research applications.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085912420570,"sku":"TCI2510B596912751","price":2247000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085912453338,"sku":"TCI2510B596912752","price":7774000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5969_3a0fcce5-8112-4d5f-8400-a98c2266c14d.jpg?v=1767864038"},{"product_id":"tci2510b597312754","title":"TCI B5973 51641-96-4 1,4-Bis(3-isocyanopropyl)piperazine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e1,4-Bis(3-isocyanopropyl)piperazine is a diisocyanate heterocyclic building block employed in laboratory synthesis of polyureas and polyurethanes via step-growth polymerization. Its dual isocyanate functionality enables crosslinking and chain extension, making it suitable for designing advanced coatings, adhesives, and interpenetrating polymer networks. The piperazine core contributes enhanced rigidity and thermal stability to the resulting polymeric materials.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085912551642,"sku":"TCI2510B597312754","price":3584000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5973.jpg?v=1768204464"},{"product_id":"tci2510b601112800","title":"TCI B6011 934664-41-2 tert-Butyl 3-Methyleneazetidine-1-carboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6011 is tert-Butyl 3-Methyleneazetidine-1-carboxylate, a four-membered heterocyclic building block that carries an exocyclic double bond at the 3-position and a Boc protecting group on its nitrogen atom. The azetidine ring belongs to a class of scaffolds increasingly used in modern medicinal chemistry because of its compact size, rich sp3 character, and ability to present functional groups in a well-defined spatial orientation. In the laboratory, this material serves as a starting point for constructing a wide range of 3-substituted azetidines that were previously difficult to access through conventional synthetic routes.\u003c\/p\u003e\n\u003cp\u003eThe principal appeal of this compound lies in its highly versatile exocyclic methylene group. This double bond can undergo aza-Michael addition, hydroboration-oxidation, epoxidation, cyclopropanation, radical addition, photoredox-catalysed hydroamination, and metathesis reactions, so that a single starting material can branch into many different derivatives. The strain of the four-membered ring also confers a distinctive reactivity compared with larger rings. The Boc group, meanwhile, protects the amine nitrogen throughout these transformations and can be removed with acid at whatever stage the chemist chooses, giving flexible control over the synthetic sequence.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this building block is typically used in synthetic organic chemistry groups at universities and research institutes, in pharmaceutical discovery programmes exploring new scaffolds, and in contract research work where sp3-rich fragments are required. It suits laboratories building compound libraries around saturated nitrogen heterocycles, as well as teaching and method-development settings where a reliable, well-characterised olefin handle is needed for exploring modern functionalisation chemistry.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMedicinal chemistry scaffold construction: the compact, sp3-rich azetidine ring offers a rigid three-dimensional framework that helps chemists move away from flat aromatic structures when designing new drug candidates.\u003c\/li\u003e\n\u003cli\u003eAza-Michael and conjugate addition chemistry: the exocyclic methylene accepts nucleophiles readily, giving straightforward access to 3-substituted azetidines bearing nitrogen, oxygen, or sulfur substituents from a single common precursor.\u003c\/li\u003e\n\u003cli\u003eHydroboration-oxidation and epoxidation routes: the olefin handle can be converted into hydroxymethyl or epoxide functionality, opening further pathways toward alcohols, ethers, and ring-opened derivatives for downstream elaboration.\u003c\/li\u003e\n\u003cli\u003eCyclopropanation and spirocycle synthesis: reaction across the exocyclic double bond builds strained spiro-fused systems that are valuable as conformationally restricted fragments in structure-activity relationship studies.\u003c\/li\u003e\n\u003cli\u003ePhotoredox and radical functionalisation studies: the methylene group participates in radical addition and catalysed hydroamination, making this material a practical substrate for developing and benchmarking modern photochemical methodologies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI (Tokyo Chemical Industry)\u003c\/li\u003e\n\u003cli\u003eCAS number: 934664-41-2\u003c\/li\u003e\n\u003cli\u003eChemical name: tert-Butyl 3-Methyleneazetidine-1-carboxylate\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: available in standard research-scale catalogue pack sizes; please confirm the packing option required for your work\u003c\/li\u003e\n\u003cli\u003eStorage: keep in the original sealed container under the conditions stated on the manufacturer's label\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eStore the container tightly closed in a cool, dry, well-ventilated area away from direct sunlight, heat sources, strong acids, and strong oxidising agents, following the storage conditions given on the manufacturer's label and safety data sheet. Keep the material in its original supplier container or in a compatible, clearly labelled glass vessel with a secure closure; Boc-protected compounds are sensitive to acidic conditions, so avoid contact with acid residues during storage and transfer. Handle in a fume hood using safety glasses, gloves, and a laboratory coat, and dispense with clean, dry equipment to limit moisture uptake. Reseal the container promptly after use, record each withdrawal, and dispose of residues and contaminated consumables as chemical waste in line with your institution's laboratory waste procedures.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085914648794,"sku":"TCI2510B601112800","price":1591000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085914681562,"sku":"TCI2510B601112801","price":5048000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6011_0e99bfaa-dc6d-4a3a-825c-96851fc74be7.jpg?v=1767864185"},{"product_id":"tci2510b601212802","title":"TCI B6012 1002355-96-5 tert-Butyl 3-(2-Ethoxy-2-oxoethylidene)azetidine-1-carboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6012 is tert-Butyl 3-(2-Ethoxy-2-oxoethylidene)azetidine-1-carboxylate, an azetidine building block that carries a conjugated α,β-unsaturated ester at the 3-position together with a Boc protecting group on the ring nitrogen. The structure combines two useful elements in a single molecule: a compact four-membered heterocyclic framework and a Michael acceptor group that is ready to react. In organic synthesis laboratories, a material of this kind serves as an efficient bridge for building side-chain substituted azetidine derivatives without having to go through ring-forming steps that normally demand special conditions and give low yields.\u003c\/p\u003e\n\u003cp\u003eThe characteristic that makes this compound a preferred choice is the directed reactivity of the conjugated double bond attached to the ethyl ester. The carbonyl group withdraws electron density, so the β-carbon becomes strongly electrophilic and is ready to accept nucleophiles in conjugate addition reactions, whether from amines, thiols, malonates, or suitable organometallic reagents. The ethyl ester itself can be hydrolysed to a carboxylic acid, reduced to an alcohol, or converted into an amide, so the range of accessible derivatives is very wide. The Boc group keeps the azetidine nitrogen protected throughout these transformations and can be removed under acidic conditions when the free amine is needed.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, building blocks of this type are used in university research groups, pharmaceutical development units, and contract synthesis facilities that prepare small-molecule libraries. The azetidine motif is valued in medicinal chemistry programmes for the rigidity and reduced conformational freedom it introduces into a candidate structure. Because the material is supplied ready to use, research teams can move directly to the derivatisation step, which shortens experimental timelines and reduces dependence on multi-step in-house ring construction.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConjugate addition chemistry: the electron-poor β-carbon of the unsaturated ester accepts amine, thiol, malonate, and organometallic nucleophiles cleanly, giving 3-substituted azetidine products in a single controlled step.\u003c\/li\u003e\n\u003cli\u003eMedicinal chemistry library synthesis: the rigid four-membered azetidine core introduces conformational restriction into candidate molecules, a design element frequently sought when optimising small-molecule leads in drug discovery programmes.\u003c\/li\u003e\n\u003cli\u003eEster functional group interconversion: the ethyl ester can be hydrolysed to the carboxylic acid, reduced to the alcohol, or converted to amides, letting one starting material serve many downstream derivative targets.\u003c\/li\u003e\n\u003cli\u003eProtecting group strategy development: the Boc group on the ring nitrogen survives a wide range of transformations and is cleanly removed under acidic conditions to liberate the free azetidine amine when required.\u003c\/li\u003e\n\u003cli\u003eHeterocyclic scaffold assembly: the compound avoids the demanding ring-closure steps normally needed to build azetidines, letting synthetic chemists access substituted derivatives without low-yielding cyclisation sequences.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI (Tokyo Chemical Industry)\u003c\/li\u003e\n\u003cli\u003eCAS number: 1002355-96-5\u003c\/li\u003e\n\u003cli\u003eChemical name: tert-Butyl 3-(2-Ethoxy-2-oxoethylidene)azetidine-1-carboxylate\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: available in standard TCI research-scale catalogue pack sizes; please confirm the currently listed options when ordering\u003c\/li\u003e\n\u003cli\u003eStorage: keep under the storage conditions stated on the manufacturer's label and safety data sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eStore the container tightly closed in a cool, dry, well-ventilated area away from heat sources, direct sunlight, and incompatible materials, following the storage conditions printed on the manufacturer's label and safety data sheet. Keep the material in its original supplier container or in a clean, chemically compatible amber glass vessel with a secure closure, and label all secondary containers clearly. Handle the compound in a fume hood using safety goggles, nitrile gloves, and a laboratory coat. As an α,β-unsaturated ester, the material is an electrophilic Michael acceptor, so avoid skin and eye contact and avoid inhaling any vapour or dust. Review the manufacturer's safety data sheet before first use, minimise exposure to moisture when transferring, and dispose of residues and contaminated consumables through the laboratory's chemical waste stream.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"200mg","offer_id":48085914747098,"sku":"TCI2510B601212802","price":784000.0,"currency_code":"IDR","in_stock":true},{"title":"1g","offer_id":48085914779866,"sku":"TCI2510B601212803","price":2297000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6012_734e4b18-5669-44de-92d9-e6fffef3d53a.jpg?v=1767864192"},{"product_id":"tci2510b601312804","title":"TCI B6013 183062-96-6 2-[1-(tert-Butoxycarbonyl)azetidin-3-yl]acetic Acid","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6013 is 2-[1-(tert-Butoxycarbonyl)azetidin-3-yl]acetic Acid, a building block that combines a Boc-protected azetidine ring with an acetic acid side chain at the 3-position. This structural simplicity is precisely its strength, because it presents two clearly separated points of reactivity: a free carboxylic acid group ready for coupling, and a secondary amine nitrogen kept hidden behind a protecting group. In medicinal chemistry laboratories, compounds of this type are frequently used as linkers or core fragments when researchers want to introduce a small saturated framework into a molecule under development.\u003c\/p\u003e\n\u003cp\u003eThe property that makes this material sought after is how readily it fits into stepwise synthetic strategies. The carboxyl group can be activated with common peptide coupling reagents, such as the carbodiimide class or uronium salts, then reacted with an amine to form a stable amide bond. The Boc group is subsequently removed with acid, liberating a free azetidine that can be alkylated, acylated, or sulfonylated according to the design. Orthogonal sequences of this kind make it straightforward to prepare a series of related compounds in a short period of time, which is why the reagent earns a place on the shelf of groups running iterative analogue campaigns.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this building block is typically encountered in university research groups, institutional synthetic chemistry facilities, and industrial R\u0026amp;D units engaged in preparing small-molecule intermediates. It is normally ordered in small quantities suited to exploratory work rather than bulk production, since the strained saturated ring contributes a compact three-dimensional element to candidate structures. Handling follows the same organic synthesis routines already established in those laboratories for moisture-sensitive protected intermediates.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAmide bond formation: the free carboxylic acid couples cleanly with amines using standard peptide coupling reagents, making this reagent a direct entry point into amide-linked analogue series.\u003c\/li\u003e\n\u003cli\u003eMedicinal chemistry fragment work: the compact Boc-protected azetidine serves as a saturated core fragment when researchers need to introduce a small three-dimensional framework into a developing molecule.\u003c\/li\u003e\n\u003cli\u003eLinker construction: the two clearly separated reactive handles at opposite ends of the molecule let chemists join two larger structural segments through a short, rigid connecting unit.\u003c\/li\u003e\n\u003cli\u003eOrthogonal deprotection sequences: acid-mediated Boc removal liberates the secondary azetidine nitrogen for subsequent alkylation, acylation, or sulfonylation without disturbing amide bonds formed earlier in the route.\u003c\/li\u003e\n\u003cli\u003eParallel analogue synthesis: the predictable two-step coupling and deprotection sequence supports rapid preparation of compound series for structure-activity relationship studies within a short working period.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 183062-96-6\u003c\/li\u003e\n\u003cli\u003eChemical name: 2-[1-(tert-Butoxycarbonyl)azetidin-3-yl]acetic Acid\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: available in research-scale packaging; please confirm the current catalogue options when ordering\u003c\/li\u003e\n\u003cli\u003eStorage: keep in the closed original container under the conditions stated on the manufacturer label\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eStore the container tightly closed in a cool, dry, well-ventilated area away from direct sunlight, moisture, and sources of ignition, following the conditions printed on the manufacturer label. Keep the material in its original supplier container or in a compatible sealed glass vessel, and avoid prolonged exposure to open air during weighing. Handle in a fume hood using safety glasses, gloves, and a laboratory coat, and keep it separated from strong acids and strong bases, since acidic conditions will remove the Boc protecting group. Close the container promptly after use and label any aliquots clearly. Consult the manufacturer safety data sheet before first use.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085914812634,"sku":"TCI2510B601312804","price":808000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085914845402,"sku":"TCI2510B601312805","price":2600000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6013_c2386273-763e-48c3-9410-efd125264916.jpg?v=1767864198"},{"product_id":"tci2510b602112816","title":"TCI B6021 4299-07-4 2-Butylbenzo[d]isothiazol-3(2H)-one","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6021, 2-Butylbenzo[d]isothiazol-3(2H)-one (CAS No. 4299-07-4), is a heterocyclic building block belonging to the isothiazolone family, widely used in organic synthesis research. This compound serves as a versatile precursor for the derivatization of bioactive molecules, antimicrobial agents, and functional materials. Its N-butyl-substituted benzoisothiazolone core makes it a valuable intermediate in medicinal chemistry, agrochemical, and material science research workflows.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"25g","offer_id":48085915238618,"sku":"TCI2510B602112816","price":3508000.0,"currency_code":"IDR","in_stock":true},{"title":"100g","offer_id":48085915271386,"sku":"TCI2510B602112817","price":10701000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6021_71aa31ca-701d-4f6c-bab8-9c2b80b8c20b.jpg?v=1767864237"},{"product_id":"tci2510b608212892","title":"TCI B6082 85909-08-6 tert-Butyl 2-Oxopyrrolidine-1-carboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003etert-Butyl 2-Oxopyrrolidine-1-carboxylate (CAS 85909-08-6) is a Boc-protected pyrrolidinone derivative widely used as a heterocyclic building block in organic synthesis. This compound serves as a versatile intermediate for constructing nitrogen-containing heterocycles in medicinal chemistry and drug discovery research. Its protected lactam structure enables selective synthetic transformations, making it a valuable starting material for developing bioactive molecules and complex alkaloid frameworks.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"5g","offer_id":48085918417114,"sku":"TCI2510B608212892","price":1666000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48085918449882,"sku":"TCI2510B608212893","price":5755000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6082.jpg?v=1768193631"},{"product_id":"tci2510b609112904","title":"TCI B6091 59379-02-1 (+\/-)-1-(tert-Butoxycarbonyl)pyrrolidine-3-carboxaldehyde","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e(+\/-)-1-(tert-Butoxycarbonyl)pyrrolidine-3-carboxaldehyde is a heterocyclic building block built around a five-membered pyrrolidine ring in which the ring nitrogen is already protected by a tert-butoxycarbonyl (Boc) group, while an aldehyde group is attached at the third position. The combination of these two functional groups makes it a highly useful synthetic intermediate in organic chemistry and medicinal chemistry laboratories. Its primary role is to supply a saturated cyclic amine framework that is ready to be extended or modified through its carbonyl group, while the ring nitrogen remains \"locked\" so that it does not participate in reactions and interfere with the synthetic route the researcher is designing.\u003c\/p\u003e\n\u003cp\u003eThe characteristic that makes this material a frequent choice lies in the compatibility of its two functional groups. The aldehyde group is electrophilic and readily directed into a range of classical transformations such as reductive amination, Wittig and Horner-Wadsworth-Emmons reactions, addition of organometallic reagents, aldol condensation, and oxidation to the corresponding carboxylic acid. The Boc group, meanwhile, is orthogonal to many basic and nucleophilic conditions, yet can be removed cleanly under acidic conditions to liberate the free secondary amine when the synthetic sequence calls for it. This pairing allows chemists to plan multi-step routes with predictable protection and deprotection points.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this compound is typically used in university research groups, pharmaceutical and medicinal chemistry laboratories, and contract research settings that build small-molecule libraries. It is generally handled on a small scale at the bench, weighed under controlled conditions, and carried directly into coupling or chain-extension steps. Because the saturated nitrogen heterocycle motif appears often in drug discovery scaffolds, this building block supports both academic method development and applied compound synthesis programmes.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReductive amination: the free aldehyde reacts with primary or secondary amines to form an imine that is reduced in situ, giving substituted aminomethyl pyrrolidines without disturbing the Boc-protected ring nitrogen.\u003c\/li\u003e\n\u003cli\u003eWittig and Horner-Wadsworth-Emmons olefination: the carbonyl group serves as the electrophilic partner for phosphorus ylides and phosphonate carbanions, allowing controlled carbon chain extension and introduction of alkene functionality.\u003c\/li\u003e\n\u003cli\u003eOrganometallic addition: Grignard and organolithium reagents add across the aldehyde to produce secondary alcohols, giving a straightforward route to branched substituents on the pyrrolidine three-position.\u003c\/li\u003e\n\u003cli\u003eAldol condensation and related carbonyl chemistry: the aldehyde participates in classical enolate chemistry, letting researchers assemble more complex carbon frameworks from a compact, readily available heterocyclic starting point.\u003c\/li\u003e\n\u003cli\u003eMedicinal chemistry scaffold preparation: after acidic Boc removal the resulting secondary amine can be acylated, alkylated, or coupled further, which suits the iterative construction of small-molecule libraries for screening.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eProduct code: B6091\u003c\/li\u003e\n\u003cli\u003eCAS number: 59379-02-1\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: available in standard TCI research-scale packaging; please confirm the pack size when ordering\u003c\/li\u003e\n\u003cli\u003eStorage: keep the container tightly closed and follow the storage conditions stated on the manufacturer's label and safety data sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eStore the material in its original tightly closed container, in a cool, dry, and well-ventilated place away from direct sunlight, heat sources, and incompatible chemicals, following the conditions stated on the manufacturer's label and safety data sheet. Amber glass or the supplied original packaging is suitable, and containers should be resealed promptly after each use to limit exposure to air and moisture, since aldehydes are susceptible to oxidation. Handle in a fume hood using safety glasses, gloves, and a laboratory coat, avoid inhalation of vapours and contact with skin or eyes, and allow refrigerated material to reach room temperature before opening to prevent condensation. Dispose of residues and contaminated materials in accordance with institutional chemical waste procedures.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085919531226,"sku":"TCI2510B609112904","price":2197000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085919563994,"sku":"TCI2510B609112905","price":7698000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6091_5d396dc4-9b94-4b3a-83e7-3a82f028514d.jpg?v=1767864510"},{"product_id":"tci2510b614412965","title":"TCI B6144 83673-98-7 2-[(tert-Butoxycarbonyl)amino]thiazole-4-carboxylic Acid","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e2-[(tert-Butoxycarbonyl)amino]thiazole-4-carboxylic Acid is a Boc-protected thiazole amino acid derivative that serves as a versatile heterocyclic building block in organic synthesis. The Boc protecting group safeguards the amine functionality during synthetic transformations and can be readily removed under mild acidic conditions, enabling efficient incorporation of the thiazole scaffold into larger molecular frameworks. This compound is widely utilized in medicinal chemistry research for drug discovery programs, particularly in the development of bioactive thiazole-containing molecules with antimicrobial, anticancer, and anti-inflammatory properties.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085921857754,"sku":"TCI2510B614412965","price":1389000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085921890522,"sku":"TCI2510B614412966","price":4190000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6144_30b774b8-53f0-43f4-a45f-a11d6bda12b0.jpg?v=1767864684"},{"product_id":"tci2510b617313004","title":"TCI B6173 89336-46-9 2-[2-[(tert-Butoxycarbonyl)amino]thiazol-4-yl]acetic Acid","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e2-[2-[(tert-Butoxycarbonyl)amino]thiazol-4-yl]acetic Acid is a complex organic compound widely used in laboratory settings for the synthesis of heterocyclic compounds. This chemical serves as a building block in the development of molecules with thiazole rings, which are known for their biological activity. Its role in chemical research is critical, especially in the design of pharmaceuticals and industrial chemicals. Due to its structural versatility, it is a valuable tool for chemists aiming to create functional molecules with specific properties.\u003c\/p\u003e\n\u003cp\u003eThe compound's unique structure, featuring a tert-butoxycarbonyl (Boc) group and a thiazole ring, makes it a preferred choice in synthetic chemistry. The Boc group provides stability and facilitates selective deprotection during synthesis, allowing for precise control over reaction pathways. The thiazole ring contributes to the molecule's reactivity, enabling substitution reactions and functional group modifications. These properties make it an essential reagent for researchers working on complex molecule synthesis.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this compound is commonly used in pharmaceutical research, organic chemistry, and industrial chemical development. It is particularly relevant in academic and research institutions where scientists are working on drug discovery and chemical innovation. Its application spans various fields, supporting both fundamental and applied research efforts in the chemical sciences.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePharmaceutical research utilizes this compound for the synthesis of bioactive molecules due to its thiazole ring structure, which is often found in drug molecules.\u003c\/li\u003e\n\u003cli\u003eOrganic chemistry laboratories use it as a versatile building block for creating complex heterocyclic compounds through functional group modifications.\u003c\/li\u003e\n\u003cli\u003eIndustrial chemical development benefits from its reactivity and stability, allowing for the design of specialized chemical products with tailored properties.\u003c\/li\u003e\n\u003cli\u003eAcademic research institutions employ it in drug discovery projects to explore new therapeutic agents with potential biological activity.\u003c\/li\u003e\n\u003cli\u003eChemical synthesis laboratories rely on its Boc group for controlled deprotection steps, enabling precise synthetic strategies in multi-step reactions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 89336-46-9\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: Available in various quantities as per supplier specifications\u003c\/li\u003e\n\u003cli\u003ePhysical form: Solid\u003c\/li\u003e\n\u003cli\u003eStorage note: Store in a cool, dry place away from moisture and direct sunlight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eThis compound should be stored in a cool, dry environment to maintain its chemical integrity. It is recommended to keep it in a tightly sealed container to prevent exposure to moisture and air. Due to its reactivity, it should be handled in a well-ventilated area, preferably under a fume hood, to minimize inhalation risks. Avoid contact with incompatible substances such as strong acids or bases. Proper personal protective equipment, including gloves and safety goggles, should always be worn when handling this material. Regular inspection of storage conditions ensures the compound remains stable and suitable for use in laboratory applications.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"250mg","offer_id":48085923496154,"sku":"TCI2510B617313004","price":733000.0,"currency_code":"IDR","in_stock":true},{"title":"1g","offer_id":48085923528922,"sku":"TCI2510B617313005","price":2221000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6173_3c32a927-9099-41fd-a930-c06aeda91824.jpg?v=1767864801"},{"product_id":"tci2510b619313020","title":"TCI B6193 500286-36-2 3-Bromo-9H-xanthen-9-one","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e3-Bromo-9H-xanthen-9-one is a brominated heterocyclic building block widely used in organic synthesis for constructing complex molecular frameworks via cross-coupling reactions such as Suzuki, Heck, and Buchwald-Hartwig couplings. This compound serves as a valuable precursor in medicinal chemistry research, enabling the development of novel drug candidates and structure-activity relationship (SAR) studies. Its xanthone core, combined with a reactive bromine substituent, makes it suitable for applications across pharmaceutical discovery, agrochemical development, and materials science research.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085924085978,"sku":"TCI2510B619313020","price":4418000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6193.jpg?v=1767093283"},{"product_id":"tci2510b622813057","title":"TCI B6228 112275-50-0 1-(tert-Butoxycarbonyl)homopiperazine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e1-(tert-Butoxycarbonyl)homopiperazine is a chemical compound widely used as a building block in the synthesis of heterocyclic compounds. It plays a crucial role in organic chemistry laboratories, where it serves as a versatile intermediate for constructing complex molecular structures. This compound is particularly valuable in reactions that require controlled functional group modifications, making it an essential tool for researchers working with heterocyclic systems. Its stability and predictable reactivity make it a reliable choice for a variety of synthetic pathways.\u003c\/p\u003e\n\u003cp\u003eThe compound’s unique chemical properties, including its ability to undergo substitution reactions and efficient Boc group cleavage, make it a preferred choice in synthetic chemistry. Its molecular structure allows for effective interactions with various reagents, enabling the synthesis of a wide range of heterocyclic derivatives. The compound’s controlled reactivity ensures that it can be used safely in laboratory settings without compromising the integrity of the reaction. These characteristics make it a go-to material for chemists seeking precision and reliability in their experiments.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, 1-(tert-Butoxycarbonyl)homopiperazine is commonly used in organic chemistry research, especially in the synthesis of heterocyclic compounds. It is frequently found in experiments involving functional group modifications and ring formation. Its stability and compatibility with various reagents make it a valuable resource for both academic and industrial research settings in Indonesia. Its application is broad, supporting a wide array of chemical processes that require precise control over molecular structure.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOrganic synthesis of heterocyclic compounds due to its ability to undergo substitution and Boc group cleavage reactions.\u003c\/li\u003e\n\u003cli\u003eFunctional group modification in complex molecule construction, offering versatility in synthetic pathways.\u003c\/li\u003e\n\u003cli\u003eRing formation reactions where controlled reactivity and structural stability are essential for successful synthesis.\u003c\/li\u003e\n\u003cli\u003eResearch in medicinal chemistry for the development of pharmaceutical compounds requiring heterocyclic scaffolds.\u003c\/li\u003e\n\u003cli\u003eAcademic and industrial research applications in Indonesia, supporting advanced chemical investigations and innovation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 112275-50-0\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: Available in standard laboratory quantities as per supplier specifications\u003c\/li\u003e\n\u003cli\u003ePhysical form: Solid, typically in crystalline or powder form\u003c\/li\u003e\n\u003cli\u003eStorage note: Store in a cool, dry place away from moisture and direct light\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eThis compound should be stored in a cool, dry environment to maintain its stability and prevent degradation. It is recommended to keep it in a sealed container to avoid exposure to moisture and air. Due to its chemical nature, it should be handled in a well-ventilated laboratory setting to ensure safety. Avoid direct contact with skin and eyes, and use appropriate personal protective equipment such as gloves and safety goggles. The compound is generally stable under standard laboratory conditions but should be kept away from incompatible substances. Proper labeling and storage are essential to ensure safe handling and prevent accidental exposure.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085925462234,"sku":"TCI2510B622813057","price":758000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085925495002,"sku":"TCI2510B622813058","price":2676000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6228_7c77eed6-dd9e-487f-b722-d98d2b0deae2.jpg?v=1767864959"},{"product_id":"tci2510b623313065","title":"TCI B6233 267-58-3 Benzo[1,2-b","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6233 Benzo[1,2-b (CAS 267-58-3) is a heterocyclic building block designed for advanced organic synthesis in research laboratories. This compound serves as a versatile precursor for constructing functional organic materials, including organic semiconductors and optoelectronic device components, as well as molecular scaffolds in medicinal chemistry. Its high-purity grade from TCI ensures reliable and reproducible results in demanding synthetic applications.\u003c\/p\u003e\n\u003cp\u003e---\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085925757146,"sku":"TCI2510B623313065","price":5755000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6233.jpg?v=1768193639"},{"product_id":"tci2510b627313108","title":"TCI B6273 2378619-75-9 b-Tz","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI catalogue number B6273, corresponding to CAS number 2378619-75-9, is marketed under the short name b-Tz and is classified as a heterocyclic building block. The abbreviation \"Tz\" in modern reagent nomenclature generally refers to the tetrazine framework, a six-membered aromatic ring containing four nitrogen atoms that has become the backbone of contemporary bioorthogonal chemistry. In the laboratory, reagents of this type act as high-speed reaction partners, allowing two molecules to find one another and join selectively even within complex biological environments, without disturbing the natural functional groups present in the surroundings.\u003c\/p\u003e\n\u003cp\u003eThe characteristic that makes this class of reagent distinctive is its exceptionally rapid rate in inverse electron demand Diels-Alder reactions with strained dienophile partners, accompanied by high selectivity and minimal side products. That speed matters a great deal when researchers work at low concentrations, for example when labelling biomolecules inside living cells or when experimental time is limited. Another hallmark of the tetrazine framework is its distinctive colour absorption, so the disappearance of colour can often serve as a rough visual indication that the reaction is proceeding.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, a heterocyclic building block of this kind is typically used in synthetic chemistry and chemical biology research groups at universities and research institutes, as well as in laboratories developing conjugation methods for biomolecules. It is generally ordered in small research quantities for method development work, where selectivity and reaction speed are more important than bulk volume, and is handled as part of a broader collection of building blocks held for exploratory synthesis.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBioorthogonal ligation studies, where the reagent pairs with a strained dienophile to form a covalent linkage rapidly and selectively without interfering with native biological functional groups.\u003c\/li\u003e\n\u003cli\u003eBiomolecule labelling at low concentration, taking advantage of the very fast inverse electron demand Diels-Alder rate that allows conjugation to complete within limited experimental time windows.\u003c\/li\u003e\n\u003cli\u003eHeterocyclic building block applications in synthetic organic chemistry, where the nitrogen-rich aromatic ring serves as a starting scaffold for constructing more elaborate target molecules.\u003c\/li\u003e\n\u003cli\u003eConjugation method development, where the high selectivity and minimal side product formation of this reagent class simplify purification and make reaction outcomes easier to interpret.\u003c\/li\u003e\n\u003cli\u003eReaction progress monitoring work, since the characteristic colour absorption of the tetrazine framework means loss of colour gives a rough visual indication that coupling has occurred.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCatalogue number: B6273\u003c\/li\u003e\n\u003cli\u003eCAS number: 2378619-75-9\u003c\/li\u003e\n\u003cli\u003eShort name: b-Tz\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes and storage conditions: as stated on the manufacturer's label and accompanying documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eStore the material according to the conditions specified by the manufacturer on the product label, keeping the container tightly closed in its original packaging and protected from light, heat, and moisture. Reagents of this class are generally kept in a cool, dry, well-ventilated chemical store away from incompatible substances. Handle in a fume hood using appropriate personal protective equipment, including safety glasses, gloves, and a laboratory coat. Allow refrigerated containers to reach room temperature before opening to avoid moisture condensation, and always consult the accompanying safety data sheet before use.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"250mg","offer_id":48085927461082,"sku":"TCI2510B627313108","price":1515000.0,"currency_code":"IDR","in_stock":true},{"title":"1g","offer_id":48085927493850,"sku":"TCI2510B627313109","price":4442000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6273_c76055dc-e1b0-41cd-9624-97677e7ad889.jpg?v=1767865100"},{"product_id":"tci2510b628313118","title":"TCI B6283 268-58-6 1H-Benzo[f]indole","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e1H-Benzo[f]indole is an aromatic heterocyclic compound formed by fusing an indole core with an additional benzene ring, producing a condensed aromatic system that is larger and flatter than ordinary indole. This extension of the conjugated system meaningfully alters the electronic character of the molecule, so the compound is of interest not only as a synthetic building block but also as a constituent unit for functional materials. In the laboratory it is commonly used as a starting material for constructing more elaborate heterocyclic compounds and for studying the behaviour of electron-rich aromatic systems.\u003c\/p\u003e\n\u003cp\u003eIts principal characteristics derive from the electron-rich nature of the indole core, which makes certain ring positions highly reactive toward electrophilic substitution, together with an NH nitrogen that can be alkylated, arylated, or protected according to the synthetic design. The extended benzene ring shifts the absorption and emission properties of the molecule toward longer wavelengths than those of simple indole, a property that appeals to researchers working on optoelectronic materials, dyes, and luminescent compounds. The broad, planar framework also promotes pi-stacking interactions, which influence how the molecule packs and behaves in the solid state.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this compound is typically encountered in university and institutional research settings concerned with synthetic organic chemistry, heterocyclic methodology, and materials development. It serves research groups building compound libraries around indole-type scaffolds, as well as teams investigating fluorescent probes and organic materials. Because it is supplied as a defined building block from TCI, it fits work where a consistent, well-characterised heterocyclic starting point is needed rather than a substance prepared in-house.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHeterocyclic scaffold construction — the fused indole framework acts as a starting point for assembling more complex polycyclic heterocycles through established ring-functionalisation chemistry.\u003c\/li\u003e\n\u003cli\u003eElectrophilic substitution studies — the electron-rich indole core directs electrophiles to specific ring positions, making the compound useful for probing regioselectivity in aromatic substitution.\u003c\/li\u003e\n\u003cli\u003eN-functionalisation chemistry — the NH nitrogen can be alkylated, arylated, or protected, giving synthetic chemists a straightforward handle for introducing structural diversity.\u003c\/li\u003e\n\u003cli\u003eOptoelectronic and dye research — absorption and emission shifted to longer wavelengths than simple indole make this a candidate unit for luminescent and organic electronic materials.\u003c\/li\u003e\n\u003cli\u003eSolid-state and packing investigations — the broad planar aromatic framework encourages pi-stacking interactions, supporting studies of molecular arrangement and material behaviour in condensed phases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 268-58-6\u003c\/li\u003e\n\u003cli\u003eProduct code: B6283\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: available in standard TCI research pack sizes; please confirm the current options when ordering\u003c\/li\u003e\n\u003cli\u003ePhysical form and storage: supplied as a laboratory-grade organic compound; refer to the manufacturer's label and safety data sheet for the specified storage conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eStore the compound in its original tightly closed container, kept in a cool, dry, and well-ventilated area away from direct sunlight, heat sources, and strong oxidising agents. Amber glass or the supplier's original packaging is appropriate, since extended aromatic systems of this type can be sensitive to prolonged light exposure. Handle the material in a fume hood using gloves, safety glasses, and a laboratory coat, and avoid generating dust during weighing and transfer. Keep containers clearly labelled, close them promptly after use, and consult the manufacturer's safety data sheet before handling or disposal.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085928640730,"sku":"TCI2510B628313118","price":6992000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6283.jpg?v=1767093412"},{"product_id":"tci2510b628513121","title":"TCI B6285 959986-17-5 5-(3-Bromophenyl)thiazol-2-amine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e5-(3-Bromophenyl)thiazol-2-amine is a heterocyclic building block featuring a thiazole core substituted with a 3-bromophenyl group and a primary amine, widely utilized as a versatile intermediate in organic synthesis. This compound is particularly valuable in medicinal chemistry research for constructing libraries of bioactive molecules, where the bromine atom enables further elaboration through cross-coupling reactions and the amine group allows for diverse derivatization. Its well-defined structure and high purity make it suitable for both small-scale exploratory synthesis and advanced pharmaceutical research applications.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"100mg","offer_id":48085928739034,"sku":"TCI2510B628513121","price":3131000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6285.jpg?v=1767093421"},{"product_id":"tci2510b634213199","title":"TCI B6342 1140502-97-1 tert-Butyl 2-Oxomorpholine-4-carboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003etert-Butyl 2-Oxomorpholine-4-carboxylate (CAS 1140502-97-1) is a Boc-protected morpholin-2-one, a compact heterocyclic building block with two orthogonally useful reactive sites. The lactone carbonyl can be opened by nucleophiles to give functionalised amino alcohols or amides, while the alpha position can be deprotonated and alkylated to install new substituents. Because the morpholine motif is common in drug-like molecules, this reagent is a practical entry point for medicinal chemistry scaffold construction. TCI product B6342 is supplied in a 1 g pack; keep it dry, tightly closed and away from strong acids, and consult the manufacturer's Safety Data Sheet.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSTUDER et al. (1995). ChemInform Abstract: Synthesis and First Applications of a New Chiral Auxiliary (tert‐Butyl 2‐(tert‐Butyl)‐5,5‐dimethyl‐4‐oxoimidazolidine‐1‐carboxylate) (V).. \u003cem\u003eChemInform\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1002\/chin.199547157\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1002\/chin.199547157\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eMamat et al. (2012). Synthesis and Molecular Structure of tert-Butyl 4-(2-tert-butoxy-2-oxoethyl)piperazine-1-carboxylate. \u003cem\u003eCrystals\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.3390\/cryst2010090\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.3390\/cryst2010090\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eGrauer et al. (2009). Synthesis of rac-tert-butyl 3-(benzyloxycarbonylamino)-2-(4-bromophenyl)-tetrahydrofuran-3-carboxylate. \u003cem\u003eMolbank\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.3390\/m596\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.3390\/m596\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eReferences were compiled automatically from Crossref and every DOI was verified to exist. AMI Scientific is not affiliated with the authors or the publishers.\u003c\/small\u003e\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085931819226,"sku":"TCI2510B634213199","price":6437000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6342.jpg?v=1767093512"},{"product_id":"tci2510b634913211","title":"TCI B6349 4886-30-0 1-Butyl-1H-benzimidazole","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e1-Butyl-1H-benzimidazole is a benzimidazole derivative in which one of the two nitrogen atoms has been alkylated with a butyl chain. Benzimidazole itself is a fused heterocyclic scaffold combining a benzene ring and an imidazole ring, a framework encountered widely in biologically active compounds and in coordination ligands. By installing a butyl chain at the N-1 position, this compound becomes a ready-to-use building block that removes the need for a selective alkylation step — a step that frequently produces product mixtures and complicates purification in the synthetic laboratory.\u003c\/p\u003e\n\u003cp\u003eThe property that makes this compound useful is the remaining pyridine-type nitrogen atom, which stays free and retains both nucleophilic character and the ability to coordinate metal ions. It is this nitrogen atom that can be further alkylated to form benzimidazolium salts, the direct precursors to N-heterocyclic carbene ligands and to ionic liquids. The butyl chain confers better solubility in organic solvents than the parent benzimidazole, while contributing lipophilic character that is useful when tuning the physicochemical properties of derivative compounds. A four-carbon chain length represents a common compromise between solubility and steric hindrance.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this building block is typically encountered in university and institutional synthetic chemistry groups, in organometallic and catalysis research, and in materials work involving ionic liquids. Because it arrives with the N-1 alkylation already performed, it shortens multi-step routes and reduces the purification burden on laboratories where chromatography capacity and solvent supply are limiting factors. It is generally ordered as a research-scale reagent for bench synthesis rather than for production quantities.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBenzimidazolium salt preparation — the free pyridine-type nitrogen is readily quaternised with alkyl halides, giving the imidazolium-type salts used as carbene precursors without any preceding selective alkylation step.\u003c\/li\u003e\n\u003cli\u003eN-heterocyclic carbene ligand synthesis — benzimidazolium salts derived from this compound are deprotonated to generate NHC ligands for transition metal catalysts used in coupling and metathesis chemistry.\u003c\/li\u003e\n\u003cli\u003eIonic liquid research — the butyl chain is the classic chain length in ionic liquid design, balancing melting behaviour, viscosity and solubility, making this a convenient starting point for new salt families.\u003c\/li\u003e\n\u003cli\u003eCoordination chemistry and metal complex studies — the unalkylated nitrogen acts as a donor atom toward transition metal centres, allowing the compound to serve directly as a neutral monodentate ligand.\u003c\/li\u003e\n\u003cli\u003eMedicinal chemistry scaffold elaboration — the benzimidazole core appears in many bioactive structures, so this N-alkylated variant serves as an intermediate for building and screening derivative libraries.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 4886-30-0\u003c\/li\u003e\n\u003cli\u003eCatalogue code: B6349\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: available in standard TCI research-scale packaging; please confirm the currently offered sizes when ordering\u003c\/li\u003e\n\u003cli\u003eStorage: keep in a cool, dry place in the tightly closed original container\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eStore the container tightly closed in a cool, dry and well-ventilated area, away from direct sunlight, heat sources and incompatible chemicals such as strong oxidising agents and strong acids. The original supplier container is the preferred storage vessel; if transfer is required, use a clean, chemically compatible glass container with a secure closure and a clearly written label. Handle in a fume hood and wear standard laboratory personal protective equipment — safety glasses, gloves and a laboratory coat. Avoid generating dust, avoid inhalation and skin contact, and keep containers closed when not in active use. Consult the manufacturer's safety data sheet before first use, and dispose of residues and contaminated materials through the laboratory's chemical waste stream.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085932245210,"sku":"TCI2510B634913211","price":1995000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085932277978,"sku":"TCI2510B634913212","price":5755000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6349.jpg?v=1768816039"},{"product_id":"tci2510b636813238","title":"TCI B6368 77279-24-4 tert-Butyl 4-(2-Hydroxyethyl)piperazine-1-carboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6368, tert-Butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate (CAS 77279-24-4), is a heterocyclic building block that pairs the widely used piperazine motif with a primary alcohol handle and a Boc-protected nitrogen. The hydroxyethyl group can be esterified, etherified, activated as a mesylate or tosylate, oxidised, or engaged in Mitsunobu chemistry to connect the piperazine core to other molecular fragments. Acidic removal of the Boc group then liberates the second nitrogen for alkylation, acylation, or amide formation in a controlled sequence. AMI Scientific supplies this TCI building block in 5 g and 25 g pack sizes for medicinal chemistry and synthetic research.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMamat et al. (2012). Synthesis and Molecular Structure of tert-Butyl 4-(2-tert-butoxy-2-oxoethyl)piperazine-1-carboxylate. \u003cem\u003eCrystals\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.3390\/cryst2010090\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.3390\/cryst2010090\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eKulkarni et al. (2016). Synthesis, characterization, X-ray diffraction studies and biological evaluation of tert-butyl 4-(2-ethoxy-2-oxoethyl)-piperazine-1-carboxylate and tert-butyl 4-(2-hydrazino-2-oxoethyl)piperazine-1-carboxylate. \u003cem\u003eResearch on Chemical Intermediates\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1007\/s11164-016-2542-7\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1007\/s11164-016-2542-7\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003ePraveen et al. (2021). Investigation of anticorrosive behaviour of novel tert-butyl 4-[(4-methyl phenyl) carbonyl] piperazine-1-carboxylate for carbon steel in 1M HCl. \u003cem\u003eHeliyon\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1016\/j.heliyon.2021.e06090\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1016\/j.heliyon.2021.e06090\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eReferences were compiled automatically from Crossref and every DOI was verified to exist. AMI Scientific is not affiliated with the authors or the publishers.\u003c\/small\u003e\u003c\/p\u003e","brand":"TCI","offers":[{"title":"5g","offer_id":48085936406746,"sku":"TCI2510B636813238","price":1187000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48085936439514,"sku":"TCI2510B636813239","price":4115000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6368.jpg?v=1768816042"},{"product_id":"tci2510b638213257","title":"TCI B6382 3017266-45-1 3-[4-(Bromomethyl)phenyl]-6-methyl-1,2,4,5-tetrazine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e3-[4-(Bromomethyl)phenyl]-6-methyl-1,2,4,5-tetrazine is a bifunctional tetrazine reagent that combines a 1,2,4,5-tetrazine core with a phenyl ring bearing a bromomethyl group. Tetrazines are recognised as the class of compounds that forms the backbone of bioorthogonal chemistry, meaning reactions that can proceed inside biological systems without disturbing the living processes around them. In the laboratory, this compound is used to attach a tetrazine group onto other molecules through a straightforward alkylation reaction, so that the resulting molecule acquires the ability to react selectively with its bioorthogonal partner. It is supplied by TCI and belongs to the heterocyclic building blocks group within chemistry building blocks.\u003c\/p\u003e\n\u003cp\u003eThe characteristic that makes this reagent so valuable is the rate of the inverse electron demand Diels-Alder cycloaddition between the tetrazine and a strained dienophile such as trans-cyclooctene, which is among the fastest in bioorthogonal chemistry. The reaction proceeds without any metal catalyst, generates no by-product other than nitrogen gas, and performs well in aqueous media under physiological conditions. The methyl substituent at position 6 provides a balance between tetrazine stability and reactivity, while the benzylic bromomethyl group supplies an easily addressable attachment point for coupling to nucleophilic partners.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this reagent is typically found in university chemistry and pharmacy departments, research institutes, and laboratories working on bioconjugation, labelling, and molecular probe development. It is ordered as a specialty building block for synthetic work rather than as a routine bulk chemical, and is usually kept in small quantities dedicated to a specific project. Researchers select it when a ligation step must proceed selectively in a complex or aqueous environment without metal catalysis.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBioorthogonal ligation studies: the tetrazine core reacts with strained dienophiles such as trans-cyclooctene at rates among the fastest available, allowing coupling to proceed inside biological systems without disturbing surrounding life processes.\u003c\/li\u003e\n\u003cli\u003eBioconjugation and molecular labelling: the benzylic bromomethyl group provides a ready attachment point, letting researchers install a tetrazine handle onto a target molecule through a simple alkylation reaction.\u003c\/li\u003e\n\u003cli\u003eMolecular probe development: because the cycloaddition requires no metal catalyst and releases only nitrogen gas as by-product, probes built with this reagent can be applied in sensitive systems with minimal interference.\u003c\/li\u003e\n\u003cli\u003eAqueous-phase synthetic chemistry: the inverse electron demand Diels-Alder reaction performs well in aqueous media under physiological conditions, making the reagent suitable for work where organic solvent systems are unsuitable.\u003c\/li\u003e\n\u003cli\u003eHeterocyclic building block synthesis: as a bifunctional reagent carrying both a tetrazine ring and a reactive benzylic halide, it serves as a starting material for constructing more elaborate tetrazine-containing target structures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCatalogue reference: B6382\u003c\/li\u003e\n\u003cli\u003eCAS number: 3017266-45-1\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: available in the standard research-scale pack sizes offered by the manufacturer; please confirm the currently listed option when ordering\u003c\/li\u003e\n\u003cli\u003eStorage note: keep under the conditions stated on the manufacturer's label and safety data sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eStore the container tightly closed in a cool, dry, well-ventilated place, away from light, heat, and sources of ignition, and follow the specific storage conditions printed on the manufacturer's label and safety data sheet. Keep the material in its original supplier container, or in a clean, chemically compatible, tightly sealed vessel that is clearly labelled with the compound name and CAS number. Handle inside a fume hood while wearing a laboratory coat, safety goggles, and suitable chemical-resistant gloves, since the benzylic bromomethyl group makes the compound an alkylating agent that may irritate skin, eyes, and the respiratory tract. Avoid contact with moisture and incompatible nucleophilic substances, minimise the time the container stands open, and allow refrigerated material to reach room temperature before opening to prevent condensation. Dispose of residues and contaminated consumables as chemical waste in accordance with institutional procedures.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"200mg","offer_id":48085937094874,"sku":"TCI2510B638213257","price":7345000.0,"currency_code":"IDR","in_stock":true},{"title":"1g","offer_id":48085937127642,"sku":"TCI2510B638213258","price":25716000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6382_765bf7fd-56da-4f2d-8212-fd3ec1f36666.jpg?v=1767865568"},{"product_id":"tci2510b638813266","title":"TCI B6388 56278-50-3 1,3-Benzothiazol-2-ylacetonitrile","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6388, 1,3-benzothiazol-2-ylacetonitrile (CAS 56278-50-3), is an active-methylene heterocyclic building block in which the CH2 group is flanked by a benzothiazole ring and a nitrile. This acidity makes it an excellent partner for Knoevenagel condensations that yield strongly conjugated, often highly coloured products. Such adducts are widely explored as dyes, fluorophores, and push-pull materials for optoelectronic research, while the nitrile itself can be converted into amides, tetrazoles, or amines. Offered in 1 g and 5 g packs, the solid should be stored cool, dry, tightly closed, and away from strong acids, bases, and oxidisers.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085937455322,"sku":"TCI2510B638813266","price":708000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085937488090,"sku":"TCI2510B638813267","price":2297000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6388.jpg?v=1768193686"},{"product_id":"tci2510b641013296","title":"TCI B6410 1468-28-6 Morpholino(phenyl)methanone","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6410 Morpholino(phenyl)methanone (CAS 1468-28-6), also known as benzoylmorpholine, is a heterocyclic building block that combines an aromatic carbonyl with a morpholine ring in a single tertiary amide framework. This structure makes it a practical intermediate for multistep organic synthesis, medicinal chemistry exploration, and methodology development where a stable yet modifiable amide motif is required. AMI Scientific supplies this TCI product in 5 g and 25 g pack sizes to suit both exploratory work and routine laboratory synthesis. Please refer to the manufacturer's Certificate of Analysis and Safety Data Sheet for detailed quality data and handling requirements.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"5g","offer_id":48085938766042,"sku":"TCI2510B641013296","price":1566000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48085938798810,"sku":"TCI2510B641013297","price":5402000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6410.jpg?v=1768193703"},{"product_id":"tci2510b642713311","title":"TCI B6427 18934-00-4 3,3'-[Oxybis(methylene)]bis(3-ethyloxetane)","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6427 3,3'-[Oxybis(methylene)]bis(3-ethyloxetane) (CAS 18934-00-4) is a difunctional oxetane building block used mainly in cationic polymerisation research. Its two strained four-membered rings allow it to act as a crosslinking monomer that builds three-dimensional polymer networks. Researchers frequently study it within cationically initiated and light-activated curing formulations. Handle it in a fume hood with appropriate protective equipment, keep it away from strong acids, and consult the manufacturer's safety data sheet.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMali et al. (2025). Synthesis and Characterization of Ether-Dimer Impurity of Drug - Ranolazine Using 2, 2’- (oxybis (methylene)) Bis (Oxirane). \u003cem\u003eAmerican Journal of Applied Scientific Research\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.11648\/j.ajasr.20251102.12\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.11648\/j.ajasr.20251102.12\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eAnnatelli et al. (2022). A Green Synthesis of 5,5′‐[Oxybis(methylene)]bis‐2‐Furfural: from By‐Product to Attractive Bio‐Based Platform Chemical. \u003cem\u003eAdvanced Sustainable Systems\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1002\/adsu.202200297\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1002\/adsu.202200297\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eLo et al. (2020). Crystal structure of 4,4′-(oxybis(methylene))bis(bromobenzene), C14H12Br2O. \u003cem\u003eZeitschrift für Kristallographie - New Crystal Structures\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1515\/ncrs-2020-0280\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1515\/ncrs-2020-0280\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eReferences were compiled automatically from Crossref and every DOI was verified to exist. AMI Scientific is not affiliated with the authors or the publishers.\u003c\/small\u003e\u003c\/p\u003e","brand":"TCI","offers":[{"title":"5g","offer_id":48085939388634,"sku":"TCI2510B642713311","price":1036000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48085939421402,"sku":"TCI2510B642713312","price":3358000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6427.jpg?v=1768816050"},{"product_id":"tci2510b645513345","title":"TCI B6455 6965-02-2 1H,1'H-2,2'-Bibenzimidazole","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e1H,1'H-2,2'-Bibenzimidazole is a compound consisting of two benzimidazole rings joined directly through their respective 2-positions, forming a symmetrical structure with two pairs of nitrogen atoms facing one another. In inorganic and coordination chemistry laboratories, this compound serves as a bidentate chelating ligand capable of binding a wide range of transition metal ions. In addition, the NH groups on both rings make it a strong hydrogen bond donor, so the compound is also widely used as a molecular recognition unit in supramolecular chemistry and self-assembly research.\u003c\/p\u003e\n\u003cp\u003eThe property that makes it sought after is its geometric similarity to the classical ligand 2,2'-bipyridine, but with the added hydrogen bond donating and accepting capability that bipyridine does not possess. The combination of conjugated aromatic rings and the free electron pairs on nitrogen produces metal complexes that frequently display interesting luminescence properties. Its framework is also relatively rigid and thermally stable, and it can undergo tautomerisation and deprotonation, giving access to anionic forms with different coordination behaviour. This electronic flexibility is what makes it valuable across several lines of investigation.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this building block is typically used at the research scale in university and institutional chemistry groups working on coordination compounds, metal complex synthesis, and supramolecular materials. It is generally handled in small quantities within a fume hood as part of ligand synthesis, complexation studies, and the preparation of structural derivatives, where the symmetrical heterocyclic framework serves as a starting scaffold for further functionalisation.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTransition metal complex synthesis: the two facing nitrogen pairs act as a bidentate chelating site that binds a wide range of transition metal ions in a stable, well-defined geometry.\u003c\/li\u003e\n\u003cli\u003eCoordination chemistry studies: its geometric resemblance to 2,2'-bipyridine makes it a useful comparison ligand for examining how electronic differences alter metal binding behaviour.\u003c\/li\u003e\n\u003cli\u003eSupramolecular chemistry and self-assembly: the NH groups on both benzimidazole rings act as strong hydrogen bond donors, allowing the molecule to function as a molecular recognition unit.\u003c\/li\u003e\n\u003cli\u003eLuminescent materials research: metal complexes formed with this ligand frequently show interesting luminescence properties arising from its conjugated aromatic ring system.\u003c\/li\u003e\n\u003cli\u003eHeterocyclic building block chemistry: the rigid, thermally stable symmetrical framework serves as a scaffold for preparing derivatives and exploring tautomeric and deprotonated anionic forms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 6965-02-2\u003c\/li\u003e\n\u003cli\u003eCatalogue code: B6455\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003eChemical name: 1H,1'H-2,2'-Bibenzimidazole\u003c\/li\u003e\n\u003cli\u003ePack sizes: available in standard research-scale laboratory pack sizes; please refer to the packaging options listed on this page\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eStore the container tightly closed in a cool, dry place away from direct sunlight, moisture, and incompatible materials, following the storage conditions stated on the manufacturer's label and safety data sheet. Keep the material in its original supplier container, or transfer it to a clean, well-sealed chemically resistant container that is clearly labelled with the substance name and CAS number. Handle the solid in a fume hood to avoid inhaling dust, and wear a laboratory coat, safety glasses, and suitable gloves. Use clean, dry spatulas when weighing to prevent contamination, close the container promptly after use, and dispose of residues and contaminated materials in accordance with applicable chemical waste procedures.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085940895962,"sku":"TCI2510B645513345","price":4089000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6455.jpg?v=1769180267"},{"product_id":"tci2510b647213368","title":"TCI B6472 2212-06-8 2-[(4-Bromophenoxy)methyl]oxirane","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e2-[(4-Bromophenoxy)methyl]oxirane, also known as 4-bromophenyl glycidyl ether, pairs a strained epoxide with a brominated aromatic ring. Nucleophilic ring opening of the oxirane provides rapid access to beta-amino alcohols and related functionalised scaffolds. The aryl bromide remains available for subsequent palladium-catalysed cross-coupling, enabling orthogonal synthetic strategies. TCI supplies this building block in 5 g and 25 g sizes for research laboratory use.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKan et al. (2011). Crystal structure of 2,4-bis((4-bromophenoxy)methyl)- 1,3,5-trimethylbenzene, C23H22Br2O2. \u003cem\u003eZeitschrift für Kristallographie - New Crystal Structures\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1524\/ncrs.2011.0180\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1524\/ncrs.2011.0180\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eReferences were compiled automatically from Crossref and every DOI was verified to exist. AMI Scientific is not affiliated with the authors or the publishers.\u003c\/small\u003e\u003c\/p\u003e","brand":"TCI","offers":[{"title":"5g","offer_id":48085942075610,"sku":"TCI2510B647213368","price":2197000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48085942108378,"sku":"TCI2510B647213369","price":7648000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6472_1a9ec45a-c16f-4c99-b578-b25c29fb1141.jpg?v=1767865906"},{"product_id":"tci2510b649513398","title":"TCI B6495 383127-22-8 2-(4-Bromophenyl)pyrrolidine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e2-(4-Bromophenyl)pyrrolidine is a chemical compound widely used in organic synthesis reactions within laboratory settings. As a heterocyclic building block, it plays a crucial role in the development of complex molecular structures. This compound is essential for researchers aiming to create new chemical entities by modifying aromatic rings and introducing functional groups. Its versatility makes it a valuable resource in both academic and industrial research environments.\u003c\/p\u003e\n\u003cp\u003eThe compound's chemical properties, including its stability and reactivity, make it a preferred choice for various synthetic pathways. The presence of a bromo group on the aromatic ring enhances its utility in substitution reactions and other organic transformations. This feature allows chemists to tailor the compound for specific applications, such as drug development or material synthesis. Its predictable behavior under controlled conditions ensures reliable results in laboratory experiments.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, 2-(4-Bromophenyl)pyrrolidine is commonly used in research focused on organic chemistry and pharmacology. It supports the creation of new compounds, including pharmaceuticals and specialty chemicals. Its availability through suppliers like AMI Scientific ensures that researchers have access to this essential building block for their experimental needs.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOrganic synthesis reactions benefit from this compound due to its ability to participate in substitution and coupling reactions, enabling the construction of complex molecular frameworks.\u003c\/li\u003e\n\u003cli\u003ePharmaceutical research utilizes this material to develop new drugs by modifying aromatic structures and introducing functional groups for enhanced biological activity.\u003c\/li\u003e\n\u003cli\u003eHeterocyclic compound synthesis relies on this building block to create diverse chemical structures with potential applications in medicine and materials science.\u003c\/li\u003e\n\u003cli\u003eAcademic research institutions use it to explore chemical reactivity and develop new synthetic methodologies for advanced chemical applications.\u003c\/li\u003e\n\u003cli\u003eIndustrial chemical production incorporates this compound to create specialty chemicals with tailored properties for various commercial uses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 383127-22-8\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: Available in various quantities as per supplier specifications\u003c\/li\u003e\n\u003cli\u003ePhysical form: Liquid or solid, depending on supplier packaging\u003c\/li\u003e\n\u003cli\u003eStorage note: Store in a cool, dry place away from light and incompatible substances\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eThis compound should be stored in a cool, dry environment, away from direct sunlight and sources of heat. It is recommended to use airtight containers to prevent exposure to moisture and air, which may affect its stability. Proper labeling of storage containers is essential to ensure safe handling. In laboratory settings, it should be kept in a well-ventilated area to minimize inhalation risks. Always use appropriate personal protective equipment, such as gloves and safety goggles, when handling this material. Regular monitoring of storage conditions ensures the compound remains chemically stable and suitable for use in research applications.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"200mg","offer_id":48085943288026,"sku":"TCI2510B649513398","price":986000.0,"currency_code":"IDR","in_stock":true},{"title":"1g","offer_id":48085943320794,"sku":"TCI2510B649513399","price":3686000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6495_8acd6c72-048a-4e09-854d-d9207fb25c67.jpg?v=1767866013"},{"product_id":"tci2510b656013489","title":"TCI B6560 1207294-92-5 Deoxazole","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6560, listed as Deoxazole, is offered by TCI as a heterocyclic building block for organic synthesis. Ready-made heterocyclic cores such as this one save researchers the lengthy and often low-yielding step of constructing the ring system from scratch, accelerating design–synthesis–test cycles. It is intended for laboratory-scale synthesis, compound library preparation, and medicinal chemistry research programmes. AMI Scientific supplies this TCI product in 1 g and 10 g pack sizes; please refer to the official TCI specification sheet and safety data sheet for exact structural, purity, and handling information.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085947252954,"sku":"TCI2510B656013489","price":1389000.0,"currency_code":"IDR","in_stock":true},{"title":"10g","offer_id":48085947285722,"sku":"TCI2510B656013490","price":8051000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6560.jpg?v=1767093909"},{"product_id":"tci2510b663913600","title":"TCI B6639 133463-88-4 2,2'-Bis[(4S)-4-benzyl-2-oxazoline]","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6639 2,2'-Bis[(4S)-4-benzyl-2-oxazoline] (CAS 133463-88-4) is a C2-symmetric chiral bis(oxazoline) — or BOX — ligand available from AMI Scientific. Complexed with transition metals such as copper, zinc, magnesium, or palladium, it creates a well-defined chiral pocket that delivers high enantioselectivity. Typical uses include asymmetric cyclopropanation, aldol and Michael additions, and chiral Lewis acid Diels-Alder reactions. Supplied in 200 mg and 1 g research packs, it should be kept tightly sealed in a cool, dry, moisture-free environment for reliable catalytic performance.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"200mg","offer_id":48085951578330,"sku":"TCI2510B663913600","price":1970000.0,"currency_code":"IDR","in_stock":true},{"title":"1g","offer_id":48085951611098,"sku":"TCI2510B663913601","price":6840000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6639.jpg?v=1767094079"},{"product_id":"tci2510b674013656","title":"TCI B6740 192130-34-0 tert-Butyl 4-(2-Aminoethyl)piperazine-1-carboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6740 tert-Butyl 4-(2-Aminoethyl)piperazine-1-carboxylate (CAS 192130-34-0) is a mono-Boc-protected piperazine building block carrying a free primary aminoethyl arm. The protecting group allows chemists to functionalise the primary amine selectively, then remove Boc under standard acidic conditions to reveal the second nitrogen. This makes it a practical linker and scaffold for medicinal chemistry, bifunctional molecule design, and library synthesis. AMI Scientific offers 5 g and 25 g pack sizes, and the material should be stored cool, dry, and tightly sealed.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMamat et al. (2012). Synthesis and Molecular Structure of tert-Butyl 4-(2-tert-butoxy-2-oxoethyl)piperazine-1-carboxylate. \u003cem\u003eCrystals\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.3390\/cryst2010090\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.3390\/cryst2010090\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eKulkarni et al. (2016). Synthesis, characterization, X-ray diffraction studies and biological evaluation of tert-butyl 4-(2-ethoxy-2-oxoethyl)-piperazine-1-carboxylate and tert-butyl 4-(2-hydrazino-2-oxoethyl)piperazine-1-carboxylate. \u003cem\u003eResearch on Chemical Intermediates\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1007\/s11164-016-2542-7\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1007\/s11164-016-2542-7\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003ePraveen et al. (2021). Investigation of anticorrosive behaviour of novel tert-butyl 4-[(4-methyl phenyl) carbonyl] piperazine-1-carboxylate for carbon steel in 1M HCl. \u003cem\u003eHeliyon\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1016\/j.heliyon.2021.e06090\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1016\/j.heliyon.2021.e06090\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eReferences were compiled automatically from Crossref and every DOI was verified to exist. AMI Scientific is not affiliated with the authors or the publishers.\u003c\/small\u003e\u003c\/p\u003e","brand":"TCI","offers":[{"title":"5g","offer_id":48085954068698,"sku":"TCI2510B674013656","price":2626000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48085954101466,"sku":"TCI2510B674013657","price":9085000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6740.jpg?v=1768816096"},{"product_id":"tci2510b674213659","title":"TCI B6742 2037-95-8 2H-Benzo[e][1,3]oxazine-2,4(3H)-dione","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6742 2H-Benzo[e][1,3]oxazine-2,4(3H)-dione (CAS 2037-95-8), commonly known as isatoic anhydride, is a bicyclic heterocyclic building block. Reaction with amines opens the ring with loss of carbon dioxide to give anthranilamide derivatives directly, without a separate acid activation step. Those intermediates cyclise readily to quinazolin-4(3H)-ones, benzodiazepines, and related pharmaceutically relevant scaffolds. AMI Scientific supplies 25 g and 100 g sizes, and the solid should be stored cool, dry, and tightly sealed to prevent hydrolysis.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"25g","offer_id":48085954232538,"sku":"TCI2510B674213659","price":2045000.0,"currency_code":"IDR","in_stock":true},{"title":"100g","offer_id":48085954265306,"sku":"TCI2510B674213660","price":6082000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6742.jpg?v=1767094149"},{"product_id":"tci2510b676113677","title":"TCI B6761 10316-00-4 4-Benzylmorpholine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6761 4-Benzylmorpholine is a heterocyclic building block consisting of a morpholine ring N-substituted with a benzyl group. Its tertiary amine character allows it to act as a mild organic base, an amine additive in catalytic systems, and a convenient intermediate in multi-step synthesis. The benzyl group can be removed by hydrogenolysis, making the compound a useful model substrate for protecting-group studies, while the morpholine core itself appears widely in pharmaceutical scaffolds. AMI Scientific supplies this TCI reagent in two bench-scale sizes; handle it in a fume hood and keep the container tightly closed.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReddy et al. (2019). Synthesis of (R)-2-benzylmorpholine employing catalytic stereospecific rearrangement of L-Phenylalaninol. \u003cem\u003eLetters in Organic Chemistry\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.2174\/1570178615666181105110940\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.2174\/1570178615666181105110940\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eD'Arrigo et al. (1998). Chemo-enzymatic synthesis of the active enantiomer of the anorressant 2-benzylmorpholine. \u003cem\u003eTetrahedron: Asymmetry\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1016\/s0957-4166(98)00432-7\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1016\/s0957-4166(98)00432-7\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eRosenau et al. (2005). On the non-classical course of Polonowski reactions of N-benzylmorpholine-N-oxide (NBnMO). \u003cem\u003eTetrahedron\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1016\/j.tet.2005.02.001\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1016\/j.tet.2005.02.001\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eReferences were compiled automatically from Crossref and every DOI was verified to exist. AMI Scientific is not affiliated with the authors or the publishers.\u003c\/small\u003e\u003c\/p\u003e","brand":"TCI","offers":[{"title":"5g","offer_id":48085954986202,"sku":"TCI2510B676113677","price":3282000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48085955018970,"sku":"TCI2510B676113678","price":11433000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6761.jpg?v=1767094189"},{"product_id":"tci2510b676913689","title":"TCI B6769 939-70-8 1-(1H-Benzo[d]imidazol-2-yl)ethan-1-one","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e1-(1H-Benzo[d]imidazol-2-yl)ethan-1-one, also known as 2-acetylbenzimidazole, is a heterocyclic compound that places a methyl ketone group directly at the 2-position of the benzimidazole ring. In organic chemistry and coordination chemistry laboratories, this compound serves as a versatile building block because it presents two reactive regions at once: a carbonyl group ready to react with nucleophiles, and a benzimidazole core that supplies a donor nitrogen atom along with an NH group capable of forming hydrogen bonds. This combination makes it a practical starting material for a wide range of synthetic routes.\u003c\/p\u003e\n\u003cp\u003eThe property that makes it a frequent choice is the reactivity of its carbonyl group, which is enhanced by the electron-withdrawing character of the benzimidazole ring, so that condensation reactions with amines, hydrazines, and hydroxylamines proceed readily to form imines, hydrazones, and oximes. These condensation products are generally excellent chelating ligands because they combine the benzimidazole nitrogen with the newly formed imine nitrogen. The benzimidazole core itself is a well-established pharmacophore motif found in many bioactive compounds, which makes the resulting derivatives attractive candidates for activity screening.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this building block is typically used in university research groups and institutional research units working on organic synthesis, coordination chemistry, and early-stage medicinal chemistry. It suits bench-scale condensation work, ligand preparation, and the assembly of small compound libraries for subsequent characterisation and screening. Because it is supplied as a defined single compound from an established catalogue source, it fits well into teaching laboratories and research programmes that require reproducible starting materials for method development and student project work.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSchiff base ligand synthesis: the activated carbonyl condenses readily with primary amines, giving imine ligands that chelate through both benzimidazole and imine nitrogen atoms.\u003c\/li\u003e\n\u003cli\u003eHydrazone preparation: reaction with hydrazines proceeds easily at the ketone position, producing hydrazone derivatives widely used as multidentate ligands and screening candidates.\u003c\/li\u003e\n\u003cli\u003eOxime formation: treatment with hydroxylamine converts the methyl ketone into an oxime, giving an additional donor site for coordination chemistry studies.\u003c\/li\u003e\n\u003cli\u003eMetal complex assembly: condensation products derived from this compound act as excellent chelators, making it a practical precursor for preparing transition metal complexes.\u003c\/li\u003e\n\u003cli\u003eMedicinal chemistry exploration: because benzimidazole is an established pharmacophore, derivatives built from this ketone are attractive targets for bioactivity testing programmes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCatalogue number: B6769\u003c\/li\u003e\n\u003cli\u003eCAS number: 939-70-8\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: available in standard TCI catalogue pack sizes; please confirm the current option when ordering\u003c\/li\u003e\n\u003cli\u003eStorage: store in a cool, dry place in the tightly closed original container\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eStore the material in its tightly closed original container in a cool, dry, well-ventilated area, away from direct sunlight, moisture, and sources of ignition. Keep it separated from strong oxidising agents and from reactive nucleophiles such as amines and hydrazines, since the carbonyl group readily undergoes condensation. Handle the compound in a fume hood using standard personal protective equipment, including safety goggles, a laboratory coat, and suitable chemical-resistant gloves. Avoid generating or inhaling dust during weighing and transfer, and reseal the container promptly after use. Always consult the manufacturer's safety data sheet before handling, and dispose of residues and contaminated materials according to applicable laboratory waste procedures.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085955477722,"sku":"TCI2510B676913689","price":1313000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085955510490,"sku":"TCI2510B676913690","price":4544000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6769.jpg?v=1769144611"},{"product_id":"tci2510b677813699","title":"TCI B6778 1512448-95-1 2-(tert-Butyl)-[1,2,4]triazolo[1,5-a]pyridin-6-amine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6778 is 2-(tert-Butyl)-[1,2,4]triazolo[1,5-a]pyridin-6-amine, a heterocyclic building block that unites a triazole ring and a pyridine ring within a single fused, rigid, and planar system. In organic synthesis and medicinal chemistry laboratories, this compound serves as a core scaffold that already carries two working points at once: a tert-butyl group at position 2, which contributes steric bulk together with lipophilic character, and an amino group at position 6, which is ready for further elaboration. Because both features are already installed, the material can enter a derivatization step directly, without the need to construct the triazolopyridine ring from scratch, so the synthetic route becomes considerably shorter and easier to control.\u003c\/p\u003e\n\u003cp\u003eThe characteristic that makes this compound a frequent choice is the balance between the rigidity of its framework and the flexibility of its reactivity. The triazolo[1,5-a]pyridine system is recognized as an electronically electron-poor motif that is able to act as a hydrogen bond acceptor through its ring nitrogen atoms, a property often exploited to mimic the role of other aromatic rings in the design of active molecules. Its aromatic amino group is nucleophilic and therefore open to acylation, sulfonylation, amination, and related transformations, allowing a single starting scaffold to be diversified into a family of analogues rather than a single target compound.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this building block is typically used in university and institutional research groups working on organic synthesis and medicinal chemistry, as well as in discovery-oriented laboratories that prepare small libraries of heterocyclic analogues. It is generally handled at bench scale, where a defined scaffold shortens the route and reduces the number of steps a researcher must validate. The rigid fused core also makes it useful for structure-activity work in which a consistent aromatic framework is required across a series of related compounds.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMedicinal chemistry scaffold construction: the fused triazolopyridine core provides a rigid, planar framework carrying a reactive amine, allowing researchers to build candidate molecules without first assembling the heterocyclic ring system themselves.\u003c\/li\u003e\n\u003cli\u003eAmide and sulfonamide library synthesis: the nucleophilic aromatic amino group at position 6 readily undergoes acylation and sulfonylation, so a single scaffold can be diversified into many structurally related analogues efficiently.\u003c\/li\u003e\n\u003cli\u003eBioisosteric replacement studies: the electron-poor triazolo[1,5-a]pyridine system can mimic the role of other aromatic rings in molecular design, giving chemists a tested alternative when tuning the properties of a lead structure.\u003c\/li\u003e\n\u003cli\u003eHydrogen bond acceptor motif investigations: the ring nitrogen atoms act as hydrogen bond acceptors, making this compound suitable for studies where specific binding interactions with a biological target are being explored.\u003c\/li\u003e\n\u003cli\u003eStructure-activity relationship series preparation: the tert-butyl group contributes steric bulk and lipophilicity, letting researchers hold one substituent constant while systematically varying chemistry at the amino position.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI (Tokyo Chemical Industry)\u003c\/li\u003e\n\u003cli\u003eCAS number: 1512448-95-1\u003c\/li\u003e\n\u003cli\u003eChemical name: 2-(tert-Butyl)-[1,2,4]triazolo[1,5-a]pyridin-6-amine\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: available in the research-scale pack sizes listed for this catalogue item; please confirm the current options when ordering\u003c\/li\u003e\n\u003cli\u003eStorage: keep in a tightly closed original container under the conditions stated on the manufacturer label and Safety Data Sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eStore this building block in its original tightly closed container, kept in a cool, dry, and well-ventilated area away from direct sunlight, heat sources, and incompatible chemicals. Follow the specific storage temperature stated on the manufacturer label and Safety Data Sheet, since aromatic amines can be sensitive to prolonged exposure to air, moisture, and light. Amber glass or the supplied original packaging is suitable for retaining material integrity between uses. Handle the compound inside a fume hood while wearing a laboratory coat, chemical-resistant gloves, and safety goggles, and avoid generating dust when weighing. Close the container immediately after dispensing, label any secondary containers clearly, and consult the Safety Data Sheet before use and before disposal.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"100mg","offer_id":48085955838170,"sku":"TCI2510B677813699","price":4821000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6778.jpg?v=1767094209"},{"product_id":"tci2510b681513730","title":"TCI B6815 2169037-12-9 tert-Butyl 10-Oxo-2,5,9-triazaspiro[3.6]decane-2-carboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTert-Butyl 10-Oxo-2,5,9-triazaspiro[3.6]decane-2-carboxylate is a complex organic compound widely used in laboratory settings for its versatility in chemical reactions. As a heterocyclic building block, it plays a critical role in the synthesis of various organic molecules, particularly those with intricate ring structures. This compound is highly valued for its ability to participate in multiple reaction pathways, making it an essential tool for chemists working on advanced synthetic routes. Its unique molecular framework allows for functional group modifications, which are crucial in the development of new pharmaceuticals and materials.\u003c\/p\u003e\n\u003cp\u003eThe compound's chemical properties, including its carboxylate group and heterocyclic core, contribute to its reactivity and stability in different reaction conditions. These characteristics make it a preferred choice for researchers aiming to design and synthesize complex molecules with specific functionalities. Its structural complexity and chemical versatility enable it to be used in a wide range of synthetic strategies, supporting both academic and industrial research efforts. The molecule’s ability to undergo various transformations under controlled conditions further enhances its utility in laboratory applications.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this compound is commonly used in pharmaceutical research and material science. It serves as a key reagent in the development of new drug compounds and functional materials. Many research institutions and universities rely on this compound for experimental studies aimed at understanding molecular behavior and improving synthetic methodologies. Its presence in these labs underscores its importance in advancing scientific knowledge and innovation.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePharmaceutical synthesis for the development of novel drug compounds due to its reactivity and structural versatility.\u003c\/li\u003e\n\u003cli\u003eOrganic chemistry research for the synthesis of complex heterocyclic molecules with specific functional groups.\u003c\/li\u003e\n\u003cli\u003eMaterial science applications in the creation of advanced polymers and functional materials through chemical modification.\u003c\/li\u003e\n\u003cli\u003eAcademic research in chemical synthesis to explore new reaction mechanisms and molecular structures.\u003c\/li\u003e\n\u003cli\u003eIndustrial chemical processes requiring high-purity building blocks for the production of specialized compounds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 2169037-12-9\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: Available in standard laboratory quantities as per supplier specifications\u003c\/li\u003e\n\u003cli\u003ePhysical form: Solid, crystalline or amorphous depending on production batch\u003c\/li\u003e\n\u003cli\u003eStorage note: Store in a cool, dry place away from moisture and direct sunlight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eThis compound should be stored in a cool, dry environment to maintain its chemical integrity and prevent degradation. It is recommended to keep it in airtight containers to minimize exposure to moisture and air, which could affect its stability. Proper labeling of storage containers is essential for safe handling and easy identification. In laboratory settings, it should be handled with appropriate personal protective equipment, such as gloves and safety goggles, to ensure the safety of personnel. Due to its chemical nature, it should be stored separately from incompatible substances to avoid any potential reactions. Regular monitoring of storage conditions is advised to ensure optimal preservation and usability of the compound.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"100mg","offer_id":48085957181658,"sku":"TCI2510B681513730","price":14461000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6815.jpg?v=1767094269"},{"product_id":"tci2510b682013732","title":"TCI B6820 2490709-41-4 tert-Butyl 6-Oxodecahydro-2H-pyrazino[1,2-a][1,4]diazocine-2-carboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6820 is tert-Butyl 6-Oxodecahydro-2H-pyrazino[1,2-a][1,4]diazocine-2-carboxylate, a heterocyclic building block built on a fused bicyclic framework that combines a saturated pyrazine ring with an eight-membered diazocine ring. Large saturated scaffolds of this kind are relatively uncommon as ready-to-use starting materials, so having one on the shelf saves researchers a considerable number of synthetic steps when they need a molecular core with a particular spatial volume. In the laboratory, this compound serves as a foundation scaffold that already carries both a lactam group and Boc protection, ready to be carried into a sequence of derivatisation reactions aimed at constructing more complex target molecules.\u003c\/p\u003e\n\u003cp\u003eThe principal property that makes this material attractive is that its framework is fully saturated throughout, giving it a high sp3 carbon content and a well-defined three-dimensional shape. The eight-membered ring provides conformational flexibility that differs markedly from that of five- or six-membered rings, and this characteristic is frequently exploited to reach functional group orientations that smaller scaffolds simply cannot access. The lactam group contributes both a hydrogen bond donor and an acceptor, while the tert-butyl carbamate keeps one nitrogen protected and available for selective deprotection at the appropriate stage of a synthetic route.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, a building block of this type is typically found in university and institutional research groups working on medicinal chemistry and organic synthesis, where three-dimensional scaffolds are prepared for structure–activity exploration. It is generally ordered in small research quantities rather than bulk, used step by step within a planned reaction sequence, and handled alongside standard anhydrous techniques already established in synthetic chemistry laboratories.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMedicinal chemistry scaffold development — the saturated three-dimensional core offers an sp3-rich alternative to flat aromatic frameworks commonly used when exploring new chemical space in discovery programmes.\u003c\/li\u003e\n\u003cli\u003eSelective nitrogen functionalisation — the Boc-protected nitrogen allows one site to remain masked while the other nitrogen positions are derivatised, then removed under standard acidic deprotection conditions.\u003c\/li\u003e\n\u003cli\u003eConformational studies of medium rings — the eight-membered diazocine ring provides flexibility distinct from smaller rings, making it useful for probing how ring size affects molecular shape.\u003c\/li\u003e\n\u003cli\u003eLactam-directed derivatisation chemistry — the existing lactam carbonyl serves as a handle for reduction, substitution, or hydrogen bonding interactions within multi-step routes toward more elaborate targets.\u003c\/li\u003e\n\u003cli\u003eLibrary synthesis of fused bicyclic analogues — the ready-made fused bicyclic framework shortens synthetic routes considerably when preparing a series of related compounds for comparative evaluation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS Number: 2490709-41-4\u003c\/li\u003e\n\u003cli\u003eChemical name: tert-Butyl 6-Oxodecahydro-2H-pyrazino[1,2-a][1,4]diazocine-2-carboxylate\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: available in research-scale quantities; please confirm the packaging options currently offered\u003c\/li\u003e\n\u003cli\u003eStorage: keep in the original tightly closed container as indicated on the manufacturer's label\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eStore this building block in its original tightly closed container, kept in a cool, dry place away from direct sunlight, moisture, and sources of ignition. Amber glass or the supplier's original packaging is suitable for maintaining material integrity, and containers should be resealed promptly after each use to limit exposure to atmospheric moisture. Weighing and transfers are best carried out in a fume hood using clean, dry spatulas. Personnel should wear a laboratory coat, safety glasses, and chemical-resistant gloves, and should consult the manufacturer's Safety Data Sheet before first use for specific hazard information, incompatibilities, and disposal requirements.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"100mg","offer_id":48085957247194,"sku":"TCI2510B682013732","price":12064000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6820.jpg?v=1767094277"},{"product_id":"tci2510b682513733","title":"TCI B6825 2321443-47-2 tert-Butyl 7-Oxo-2,6,10-triazaspiro[4.6]undecane-2-carboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6825 is tert-Butyl 7-Oxo-2,6,10-triazaspiro[4.6]undecane-2-carboxylate, a heterocyclic building block built on a spiro framework that joins a pyrrolidine ring to a seven-membered lactam ring through a single shared quaternary carbon atom. Materials of this kind become the foundation when researchers need a molecular core that is spatially well defined yet remains straightforward to elaborate further. In the synthetic laboratory, this compound immediately supplies three nitrogen centres of differing reactivity, one of which is already protected as a tert-butyl carbamate, so that a functionalisation sequence can be planned cleanly without having to construct the spiro system from far simpler starting materials.\u003c\/p\u003e\n\u003cp\u003eThe characteristic that makes it a frequent choice is the rigidity of the spiro framework, which restricts free rotation so that functional groups installed on the scaffold adopt a more predictable orientation. Its high sp3 carbon content confers physicochemical behaviour that is generally more favourable than that of flat aromatic frameworks, particularly in terms of solubility. The lactam group contributes both a hydrogen bond donor and an acceptor, which is useful in molecular design work, while the Boc group serves as a protecting group that can be removed under acidic conditions to release a secondary amine for subsequent coupling, alkylation or reductive amination steps.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, a building block of this type is typically drawn upon by university research groups and pharmaceutical research units that are assembling compound libraries or exploring new molecular scaffolds. Because the spiro core is laborious to prepare in house, procuring it ready-made shortens a synthetic route considerably and allows the available working time to be directed towards the diversification steps that actually determine the outcome of the study.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMedicinal chemistry scaffold development, where the rigid three-dimensional spiro core provides a well-defined starting point for exploring new structural space beyond flat aromatic frameworks.\u003c\/li\u003e\n\u003cli\u003eCompound library synthesis, since the three differentiated nitrogen centres allow several diversification points to be addressed in a planned sequence from one common intermediate.\u003c\/li\u003e\n\u003cli\u003eBoc deprotection and coupling sequences, because the tert-butyl carbamate can be cleaved under acidic conditions to release a secondary amine ready for amide formation or alkylation.\u003c\/li\u003e\n\u003cli\u003eSolubility-oriented scaffold replacement studies, given that the high sp3 carbon content generally delivers more favourable physicochemical behaviour than a comparable planar aromatic building block.\u003c\/li\u003e\n\u003cli\u003eHydrogen bonding motif design, as the lactam carbonyl and adjacent N-H supply a paired donor and acceptor that can be positioned deliberately within a target molecule.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 2321443-47-2\u003c\/li\u003e\n\u003cli\u003eChemical name: tert-Butyl 7-Oxo-2,6,10-triazaspiro[4.6]undecane-2-carboxylate\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: available in the research-scale pack sizes listed for this catalogue item\u003c\/li\u003e\n\u003cli\u003eStorage: keep in a tightly closed original container, protected from moisture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eStore the material in its original tightly closed container in a cool, dry place away from direct sunlight and sources of heat or ignition. Amber glass or the supplier's original packaging is suitable, and containers should be resealed promptly after each use because carbamate-protected amines are best kept away from prolonged moisture exposure. Handle the compound in a fume hood using gloves, safety glasses and a laboratory coat, and weigh it out with clean dry spatulas to avoid cross-contamination. Keep it separated from strong acids, which cleave the Boc group, and from strong oxidising agents. Always consult the manufacturer's safety data sheet before first use, and dispose of residues and contaminated consumables through the laboratory chemical waste stream in line with institutional procedures.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"100mg","offer_id":48085957279962,"sku":"TCI2510B682513733","price":12064000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6825.jpg?v=1767094281"},{"product_id":"tci2510b683213740","title":"TCI B6832 250275-15-1 tert-Butyl (3aR,6aS)-Hexahydropyrrolo[3,4-c]pyrrole-2(1H)-carboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6832 250275-15-1 tert-Butyl (3aR,6aS)-Hexahydropyrrolo[3,4-c]pyrrole-2(1H)-carboxylate is a complex heterocyclic compound widely used in organic synthesis. This chemical serves as a fundamental building block in the creation of more intricate molecular structures. Its unique chemical structure makes it a valuable tool for researchers aiming to develop compounds with specific biological activities. In laboratory settings, it plays a crucial role in facilitating chemical reactions that require the presence of heterocyclic frameworks.\u003c\/p\u003e\n\u003cp\u003eThe compound is known for its chemical stability under controlled conditions, which simplifies handling and manipulation during synthesis processes. Its predictable chemical behavior allows for consistent results in experimental procedures. The specific molecular structure of this compound makes it an ideal choice for the synthesis of bioactive molecules. Its reliability and reproducibility are key factors in its popularity among chemists working in both academic and industrial research environments.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this compound is commonly used in organic chemistry research, particularly in pharmacology and biomedical synthesis. Local researchers often rely on it to develop new therapeutic agents. Its availability supports ongoing scientific advancements in the field of medicinal chemistry. The compound's versatility and effectiveness make it a preferred choice for a wide range of chemical applications.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOrganic synthesis research benefits from this compound's ability to form complex heterocyclic structures, supporting the development of bioactive molecules.\u003c\/li\u003e\n\u003cli\u003ePharmacological studies utilize it as a building block for creating compounds with potential therapeutic applications in drug discovery.\u003c\/li\u003e\n\u003cli\u003eBiomedical synthesis applications rely on its stable chemical properties to facilitate the production of targeted molecular structures.\u003c\/li\u003e\n\u003cli\u003eAcademic research institutions use it to explore new chemical pathways and enhance the understanding of molecular interactions.\u003c\/li\u003e\n\u003cli\u003eIndustrial laboratories incorporate it into their workflows for the production of specialized chemical intermediates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 250275-15-1\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: Not specified\u003c\/li\u003e\n\u003cli\u003ePhysical form: Not specified\u003c\/li\u003e\n\u003cli\u003eStorage note: Store in a cool, dry place away from light and moisture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eThis compound should be stored in a cool, dry environment, away from direct light and moisture to maintain its chemical stability. It is recommended to use airtight containers to prevent exposure to air and humidity. Proper labeling of storage containers is essential for safe handling and identification. Laboratory personnel should wear appropriate personal protective equipment when handling this material. Regular monitoring of storage conditions ensures the compound remains in optimal condition for use. Adherence to standard laboratory safety protocols minimizes potential risks during handling and experimentation.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085957542106,"sku":"TCI2510B683213740","price":2297000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6832.jpg?v=1767094293"},{"product_id":"tci2510b684613754","title":"TCI B6846 1203707-77-0 4,4'-(Benzo[c][1,2,5]thiadiazole-4,7-diyl)dianiline","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6846 4,4'-(Benzo[c][1,2,5]thiadiazole-4,7-diyl)dianiline pairs an electron-accepting benzothiadiazole core with two electron-donating aniline units, giving a classic donor–acceptor–donor motif. The free aromatic amines make it a ready monomer for polyimides, imine-linked polymers, and covalent organic frameworks. Its optoelectronic character supports research into fluorescent materials, organic semiconductors, and photovoltaic active layers. AMI Scientific supplies this TCI building block in 1 g and 5 g laboratory-scale packs.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085958164698,"sku":"TCI2510B684613754","price":2524000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085958197466,"sku":"TCI2510B684613755","price":8808000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6846.jpg?v=1767094317"},{"product_id":"tci2510b687013772","title":"TCI B6870 120737-78-2 tert-Butyl 2-Methylpiperazine-1-carboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6870 (CAS 120737-78-2) is tert-butyl 2-methylpiperazine-1-carboxylate, a mono-Boc-protected piperazine bearing a methyl substituent at the 2-position. The protected nitrogen allows chemists to functionalise the remaining secondary amine selectively through alkylation, acylation, sulfonylation or reductive amination. The Boc group can subsequently be removed under acidic conditions to reveal the second nitrogen for further elaboration. Supplied by TCI in 5 g and 25 g pack sizes, it should be stored cool and dry and kept away from strong acids.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStuder et al. (1995). Synthesis and First Applications of a New Chiral Auxiliary (tert‐butyl 2‐(tert‐butyl)‐5,5‐dimethyl‐4‐oxoimidazolidine‐1‐carboxylate). \u003cem\u003eHelvetica Chimica Acta\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1002\/hlca.19950780512\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1002\/hlca.19950780512\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e(2002). PREPARATION AND DIELS-ALDER REACTION OF A 2-AMIDO SUBSTITUTED FURAN: tert-BUTYL 3a-METHYL-5-OXO-2,3,3a,4,5,6-HEXAHYDROINDOLE-1-CARBOXYLATE. \u003cem\u003eOrganic Syntheses\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.15227\/orgsyn.078.0202\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.15227\/orgsyn.078.0202\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eSTUDER et al. (1995). ChemInform Abstract: Synthesis and First Applications of a New Chiral Auxiliary (tert‐Butyl 2‐(tert‐Butyl)‐5,5‐dimethyl‐4‐oxoimidazolidine‐1‐carboxylate) (V).. \u003cem\u003eChemInform\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1002\/chin.199547157\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1002\/chin.199547157\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eReferences were compiled automatically from Crossref and every DOI was verified to exist. AMI Scientific is not affiliated with the authors or the publishers.\u003c\/small\u003e\u003c\/p\u003e","brand":"TCI","offers":[{"title":"5g","offer_id":48085959246042,"sku":"TCI2510B687013772","price":1616000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48085959278810,"sku":"TCI2510B687013773","price":6437000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6870.jpg?v=1771057894"},{"product_id":"tci2510b687413777","title":"TCI B6874 75400-67-8 tert-Butyl 1H-Indole-1-carboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6874 is tert-Butyl 1H-Indole-1-carboxylate, more commonly known as N-Boc-indole: an indole whose nitrogen has been protected with a tert-butoxycarbonyl group. Indole is one of the most important heterocyclic frameworks in organic chemistry and natural product chemistry, serving as the core of a great many biologically active compounds. However, the weakly acidic and reactive indole nitrogen frequently interferes with the course of a reaction. By protecting that nitrogen, this compound gives researchers full control over which position on the indole ring will be functionalised, so reactions proceed more cleanly and outcomes become more predictable.\u003c\/p\u003e\n\u003cp\u003eThe property that makes this material so widely used is the change in reactivity brought about by the Boc group. The carbamate is electron-withdrawing, which reduces the electron-rich character of the pyrrole ring and alters the selectivity pattern of substitution reactions, while simultaneously acting as a directing group in directed metalation and C–H bond functionalisation. The Boc group also stabilises the indole against certain conditions that would normally cause polymerisation or side reactions in free indole. Once the reaction sequence is complete, the protecting group can be removed cleanly with acid.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this building block is typically found in university and institutional synthetic chemistry groups, in natural product and medicinal chemistry research, and in method development work where selective functionalisation of the indole ring is required. It is used at research and small preparative scale rather than in bulk production, generally as one step within a multi-step synthetic route where the nitrogen must be masked before the ring is elaborated and then unmasked afterwards.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirected metalation chemistry: the Boc carbamate acts as a directing group, guiding metalation to a defined ring position so that lithiation and subsequent electrophilic trapping proceed with reliable regiochemistry.\u003c\/li\u003e\n\u003cli\u003eC–H functionalisation studies: the protected nitrogen prevents competing N-attack while the carbamate directs the catalyst, making this substrate suitable for developing and benchmarking selective C–H activation methods on indole.\u003c\/li\u003e\n\u003cli\u003eRegioselective substitution work: because the electron-withdrawing Boc group lowers the electron density of the pyrrole ring, substitution patterns shift in a controlled way that researchers can exploit deliberately.\u003c\/li\u003e\n\u003cli\u003eMulti-step natural product and medicinal chemistry synthesis: the indole core is masked at nitrogen during ring elaboration, then deprotected cleanly with acid once the intended transformations have been completed.\u003c\/li\u003e\n\u003cli\u003eReactions requiring a stabilised indole: conditions that would ordinarily promote polymerisation or side reactions with free indole become workable because the Boc group stabilises the substrate throughout.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI (Tokyo Chemical Industry)\u003c\/li\u003e\n\u003cli\u003eCAS Number: 75400-67-8\u003c\/li\u003e\n\u003cli\u003eChemical name: tert-Butyl 1H-Indole-1-carboxylate (N-Boc-indole)\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: available in standard TCI research-scale packaging; please confirm the currently available size when ordering\u003c\/li\u003e\n\u003cli\u003eStorage: store in a cool, dry place in a tightly closed original container, in line with the manufacturer's stated conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eStore this product in its original tightly closed container in a cool, dry and well-ventilated area, away from heat, ignition sources, moisture and strong acids, since the Boc protecting group is acid-labile and may be cleaved under acidic conditions. Keep the container closed when not in use to limit exposure to atmospheric moisture. Handle in a fume hood using standard personal protective equipment, including safety goggles, a laboratory coat and chemically resistant gloves. Use clean, dry glassware and spatulas when weighing to avoid contamination. Always consult the manufacturer's Safety Data Sheet before use, and follow institutional procedures for chemical waste disposal.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"5g","offer_id":48085959442650,"sku":"TCI2510B687413777","price":1289000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48085959475418,"sku":"TCI2510B687413778","price":4442000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6874.jpg?v=1767094352"},{"product_id":"tci2510b692713811","title":"TCI B6927 131180-57-9 (S)-Bis(4-methoxyphenyl)(pyrrolidin-2-yl)methanol","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e(S)-Bis(4-methoxyphenyl)(pyrrolidin-2-yl)methanol is a chiral compound used in asymmetric synthesis to produce molecules with specific optical properties. This material plays a crucial role in laboratories where precise control over stereochemistry is required. It is commonly employed in reactions that demand chiral catalysts or ligands to enhance the efficiency and accuracy of chemical synthesis. Its unique molecular structure makes it a valuable reagent in the development of pharmaceuticals and complex organic compounds.\u003c\/p\u003e\n\u003cp\u003eThe compound's chiral nature allows for high selectivity in chemical reactions, minimizing the formation of by-products and improving the yield of the desired compound. Its molecular framework includes methoxy groups and a pyrrolidine ring, which contribute to its reactivity and specificity in various synthetic pathways. These features make it a preferred choice for researchers aiming to achieve controlled stereochemical outcomes. The compound's ability to influence reaction pathways with minimal side reactions is a key factor in its widespread use in advanced chemical research.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this compound is widely utilized by chemists in educational institutions and research organizations. It is an essential component in the development of new pharmaceutical compounds and complex molecules. Its role in pharmacological and biochemical research underscores its importance in the scientific community. The compound is often used in studies that require precise optical control, making it a staple in modern chemical synthesis practices.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAsymmetric synthesis is a key application where this compound is used to control the stereochemistry of products, offering high enantioselectivity in complex reactions.\u003c\/li\u003e\n\u003cli\u003ePharmaceutical development benefits from this compound's ability to selectively produce desired stereoisomers, which is crucial for drug efficacy and safety.\u003c\/li\u003e\n\u003cli\u003eOrganic chemistry research relies on its chiral properties to facilitate the synthesis of complex molecules with specific optical configurations.\u003c\/li\u003e\n\u003cli\u003eBiochemical studies utilize this compound to explore enzyme-substrate interactions and molecular recognition processes in biological systems.\u003c\/li\u003e\n\u003cli\u003eAdvanced synthetic methodologies incorporate this compound to achieve controlled stereochemical outcomes in multi-step chemical processes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 131180-57-9\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Asymmetric Synthesis \u0026gt; Chiral Catalysts, Chiral Ligands, Chiral Reagents\u003c\/li\u003e\n\u003cli\u003ePack sizes: Not specified\u003c\/li\u003e\n\u003cli\u003ePhysical form: Not specified\u003c\/li\u003e\n\u003cli\u003eStorage note: Store in a cool, dry place away from light\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eThis compound should be stored in a cool, dry environment, away from direct sunlight and sources of heat. It is recommended to keep it in a sealed container to prevent moisture absorption and contamination. Proper ventilation is essential when handling the material to minimize exposure to vapors. Due to its chiral nature, it is important to maintain strict purity standards to ensure consistent results in chemical reactions. Always use appropriate personal protective equipment, such as gloves and safety goggles, when working with this compound. Regular monitoring of storage conditions is advised to maintain its integrity and effectiveness in laboratory applications.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085961212122,"sku":"TCI2510B692713811","price":8959000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6927.jpg?v=1767094392"}],"url":"https:\/\/amiscientific.com\/en\/collections\/tci-l4-non-halogenated-heterocyclic-building-blocks.oembed?page=151","provider":"AMI Scientific","version":"1.0","type":"link"}