{"title":"Chemical Biology","description":"\u003cp\u003e\u003cstrong\u003eChemical Biology\u003c\/strong\u003e — mencakup reagen untuk menjembatani kimia sintetik dengan sistem biologis, meliputi kimia klik, bioconjugation, PEGylasi, linker dan crosslinker, serta kimia asam nukleat dan peptida. Kategori ini juga menghimpun gugus pelindung fotolabil dan reagen glikosains untuk modifikasi biomolekul secara terarah.\u003c\/p\u003e\u003cp\u003eReagen chemical biology ini dipakai untuk mengonjugasikan biomolekul seperti protein, peptida, atau oligonukleotida melalui reaksi klik dan pembentukan tautan PEG, seperti terlihat pada turunan biotin-PEG yang umum dipakai sebagai linker afinitas. Peneliti glikosains dan kimia asam nukleat memanfaatkan reagen ini untuk sintesis probe, modifikasi ujung rantai, atau pelabelan terarah dalam eksperimen biologi molekuler.\u003c\/p\u003e\u003cp\u003eContoh produk dalam koleksi ini: \u003ca href=\"\/en\/products\/tci2510q003449359\"\u003eTCI Q0034 110-86-1 Pyridine [Sequencing Solvent]\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510b553712196\"\u003eTCI B5537 96099-84-2 N-(tert-Butoxycarbonyl)-D-threonine Methyl Ester\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510a0282407\"\u003eTCI A0282 56-12-2 4-Aminobutyric Acid\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510b554612203\"\u003eTCI B5546 1309649-57-7 Biotin-PEG4-Azide\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510a0170262\"\u003eTCI A0170 1071-93-8 Adipic Dihydrazide\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510b556012218\"\u003eTCI B5560 663171-32-2 Biotin-PEG4-Amine\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510h017232585\"\u003eTCI H0172 7803-57-8 Hydrazine Monohydrate\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510b556212220\"\u003eTCI B5562 721431-18-1 Biotin-PEG4-propionic Acid\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003ePerhatikan panjang rantai PEG atau linker, jenis gugus reaktif ujung (misalnya azida, amina, atau ester aktif), serta kemurnian dan bentuk kemasan yang sesuai untuk aplikasi konjugasi. 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 Chemistry, sering dipakai bersamaan dalam satu alur kerja laboratorium:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/building-blocks-sintesis-organik\"\u003eBuilding Blocks untuk Sintesis Organik\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l2-pharmaceutical-development-and-drug-discovery-research-reagents\"\u003ePharmaceutical Development and Drug Discovery Research Reagents\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/reagen-sintesis-organik\"\u003eReagen Sintesis Organik\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/katalis-dan-kimia-anorganik\"\u003eKatalis \u0026amp; Kimia Anorganik\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l2-catalysis-and-inorganic-chemistry\"\u003eCatalysis and Inorganic Chemistry\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l2-organometallic-reagents\"\u003eOrganometallic Reagents\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eKoleksi ini masih terbagi menjadi 8 kelompok yang lebih spesifik:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l3-peptide-chemistry\"\u003ePeptide Chemistry\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l3-glycoscience\"\u003eGlycoscience\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l3-conjugation-chemistry-click-chemistry\"\u003eConjugation Chemistry\/Click Chemistry\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l3-bioconjugation\"\u003eBioconjugation\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l3-linkers-and-crosslinkers\"\u003eLinkers and Crosslinkers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l3-nucleic-acid-chemistry\"\u003eNucleic Acid Chemistry\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l3-pegylation\"\u003ePEGylation\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l3-photolabile-protecting-groups\"\u003ePhotolabile Protecting Groups\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eKembali ke \u003ca href=\"\/en\/collections\/tci-l1-chemistry\"\u003eChemistry\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":"tci2510b554612203","title":"TCI B5546 1309649-57-7 Biotin-PEG4-Azide","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI Biotin-PEG4-Azide (B5546, CAS 1309649-57-7) is a click chemistry reagent featuring a biotin affinity tag linked via a PEG4 spacer to an azide reactive group. It is primarily used for biotinylation of alkyne-modified biomolecules through copper-catalyzed or strain-promoted azide-alkyne cycloaddition reactions. This reagent is ideal for applications in protein labeling, affinity purification, pull-down assays, and various streptavidin-based detection systems.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"100mg","offer_id":48085886304474,"sku":"TCI2510B554612203","price":7521000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5546.jpg?v=1767092491"},{"product_id":"tci2510b556012218","title":"TCI B5560 663171-32-2 Biotin-PEG4-Amine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eBiotin-PEG4-Amine (TCI B5560, CAS 663171-32-2) is a high-purity bioconjugation reagent featuring a biotin moiety linked via a PEG4 spacer to a reactive primary amine group, enabling efficient labeling of biomolecules such as proteins, peptides, and nucleic acids. This compound facilitates covalent attachment of biotin through standard coupling chemistries, making it suitable for avidin\/streptavidin-based detection, purification, and immobilization workflows. Widely employed in chemical biology, drug discovery, and biosensor development, it serves as a versatile building block for constructing biotinylated conjugates with enhanced solubility and reduced steric hindrance.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"10mg","offer_id":48085886894298,"sku":"TCI2510B556012218","price":1439000.0,"currency_code":"IDR","in_stock":true},{"title":"50mg","offer_id":48085886927066,"sku":"TCI2510B556012219","price":5023000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5560_fb481397-bc4c-4eba-8c65-751d9f73ad13.jpg?v=1767862393"},{"product_id":"tci2510b556512224","title":"TCI B5565 1418022-42-0 Biotin-PEG11-Amine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI Biotin-PEG11-Amine (CAS 1418022-42-0) is a bioconjugation reagent featuring a biotin moiety linked to a reactive primary amine group via an 11-unit PEG spacer, designed for efficient and flexible biotinylation of biomolecules. The amine group enables covalent coupling to carboxyl groups, activated esters, or other electrophilic functional groups on proteins, antibodies, peptides, and nucleic acids, while the PEG11 spacer enhances water solubility and reduces non-specific binding. This product is widely applied in biochemical assays, affinity purification, surface functionalization, and the development of targeted delivery systems across life science and chemical biology research.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"10mg","offer_id":48085887123674,"sku":"TCI2510B556512224","price":2474000.0,"currency_code":"IDR","in_stock":true},{"title":"50mg","offer_id":48085887156442,"sku":"TCI2510B556512225","price":7748000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5565_5b4f7184-161c-4bc2-a110-888315fe290a.jpg?v=1767862412"},{"product_id":"tci2510b557712239","title":"TCI B5577 2413847-26-2 Biotin-PEG2-Hydrazide","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eBiotin-PEG2-Hydrazide is a flexible bioconjugation reagent that enables selective attachment of biotin to carbonyl-containing biomolecules such as oxidized glycoproteins, carbohydrates, or aldehyde-modified oligonucleotides via hydrazide chemistry. Its PEG2 spacer enhances aqueous solubility and reduces steric hindrance, making it ideal for affinity purification, pull-down assays, and fluorescent labeling workflows in chemical biology research. The compound's strong biotin-streptavidin interaction ensures reliable detection and capture across diverse experimental platforms.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"10mg","offer_id":48085887779034,"sku":"TCI2510B557712239","price":3711000.0,"currency_code":"IDR","in_stock":true},{"title":"50mg","offer_id":48085887811802,"sku":"TCI2510B557712240","price":12922000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5577_e18bc269-39f9-4431-b16e-c996df731892.jpg?v=1767862460"},{"product_id":"tci2510b557812241","title":"TCI B5578 756525-97-0 Biotin-PEG4-Hydrazide","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eBiotin-PEG4-Hydrazide (CAS 756525-97-0) is a biotinylation reagent featuring a hydrazide reactive group and a PEG4 spacer for enhanced water solubility. This TCI product is designed for selective labeling of glycoproteins and other carbonyl-containing biomolecules via hydrazide-aldehyde\/ketone conjugation chemistry. It is widely employed in streptavidin-based detection systems, protein interaction studies, and chemical biology applications requiring high-affinity biotin tagging.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"10mg","offer_id":50506879172826,"sku":"TCI2510B557812241","price":2147000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5578_9b0c0983-7a70-4bb5-8d9a-b18ed5dda187.jpg?v=1767862466"},{"product_id":"tci2510b558712254","title":"TCI B5587 186020-66-6 tert-Butyl 12-Hydroxy-4,7,10-trioxadodecanoate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e*tert*-Butyl 12-Hydroxy-4,7,10-trioxadodecanoate is a heterobifunctional PEG linker featuring a terminal hydroxyl group and a protected *tert*-butyl ester, enabling controlled stepwise conjugation. It is widely utilized in the synthesis of PEGylated biomolecules, including drug-protein conjugates, surface-modified nanoparticles, and targeted delivery systems. The trioxa spacer enhances aqueous solubility and reduces immunogenicity, making it an essential building block in chemical biology and pharmaceutical research applications.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085889286362,"sku":"TCI2510B558712254","price":2171000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085889319130,"sku":"TCI2510B558712255","price":7547000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5587_91fe5bcc-c5e3-48be-b2eb-9ca09f5bddb5.jpg?v=1767862503"},{"product_id":"tci2510b573512462","title":"TCI B5735 20898-44-6 tele-Benzyl-Nalpha-(tert-butoxycarbonyl)-L-histidine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003etele-Benzyl-Nalpha-(tert-butoxycarbonyl)-L-histidine (Boc-His(Bzl)-OH) is a doubly protected histidine derivative widely used in solid-phase peptide synthesis (SPPS). The Boc group protects the alpha-amino functionality while the benzyl group protects the imidazole side chain, ensuring regioselective coupling and minimizing undesired side reactions during peptide chain assembly. This building block is essential for synthesizing bioactive peptides, protein interaction probes, and peptide-based drug candidates in both academic and pharmaceutical research settings.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085900001498,"sku":"TCI2510B573512462","price":1465000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085900034266,"sku":"TCI2510B573512463","price":4569000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5735.jpg?v=1768204440"},{"product_id":"tci2510b585712620","title":"TCI B5857 114676-69-6 N-(tert-Butoxycarbonyl)-cis-4-hydroxy-D-proline Methyl Ester","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eN-(tert-Butoxycarbonyl)-cis-4-hydroxy-D-proline Methyl Ester is a chemical compound widely used in organic and biochemical research, particularly in peptide chemistry. This compound serves as a key building block in the synthesis of complex peptides and proteins, playing a crucial role in the development of bioactive molecules. Its structural complexity makes it an essential tool for scientists working on drug discovery and biotechnology applications. In laboratory settings, it is frequently employed to create modified amino acids that are integral to the design of therapeutic agents and functional biomolecules.\u003c\/p\u003e\n\u003cp\u003eThis compound is valued for its chemical stability under controlled conditions and its reactivity with various reagents during synthesis processes. Its ability to participate in specific chemical reactions makes it a preferred choice for researchers aiming to achieve precise modifications in peptide structures. The compound's high reactivity also allows for efficient and reproducible results in synthetic pathways, which is critical in both academic and industrial research environments. Its purity and consistent quality ensure reliable outcomes in experimental procedures, making it a trusted material in advanced chemical synthesis.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this compound is commonly used in pharmaceutical research, biotechnology, and biochemical analysis. It is particularly relevant in studies related to protein structure and function, as well as in the development of new therapeutic agents. Its availability in pure form and suitable packaging makes it accessible for a wide range of experimental applications, supporting innovation in both academic and industrial research sectors.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePeptide Synthesis: This compound is ideal for synthesizing complex peptides due to its reactivity and structural versatility, enabling the creation of bioactive molecules.\u003c\/li\u003e\n\u003cli\u003eDrug Discovery: It is used in the development of therapeutic agents, as it allows for the modification of amino acid sequences to enhance drug efficacy.\u003c\/li\u003e\n\u003cli\u003eBiochemical Analysis: Its role in protein structure studies makes it valuable for understanding molecular interactions and functional properties.\u003c\/li\u003e\n\u003cli\u003eBiotechnology Research: It supports the creation of modified amino acids, which are essential in the development of novel biotechnological applications.\u003c\/li\u003e\n\u003cli\u003eOrganic Chemistry Studies: Its chemical stability and reactivity make it a key reagent in synthetic pathways for advanced organic chemistry experiments.\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: 114676-69-6\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Chemical Biology \u0026gt; Peptide Chemistry\u003c\/li\u003e\n\u003cli\u003ePack sizes: Available in various quantities as per supplier specifications\u003c\/li\u003e\n\u003cli\u003ePhysical form: Solid, crystalline or powder depending on packaging\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 stability and prevent degradation. It is recommended to keep it in airtight containers to minimize exposure to moisture and air, which can affect its reactivity. Due to its high reactivity, it should be handled with care in a well-ventilated laboratory setting, using appropriate personal protective equipment such as gloves and safety goggles. Avoid direct contact with skin and eyes, and ensure proper disposal of any unused material in accordance with local safety regulations. Proper storage and handling are essential to ensure the compound remains effective and safe for use in laboratory applications.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085906948314,"sku":"TCI2510B585712620","price":683000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085906981082,"sku":"TCI2510B585712621","price":1541000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5857.jpg?v=1769180240"},{"product_id":"tci2510b586712625","title":"TCI B5867 610791-05-4 1-tert-Butyl 3-Methyl Azetidine-1,3-dicarboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e1-tert-Butyl 3-Methyl Azetidine-1,3-dicarboxylate is a chemical compound widely used in laboratory settings, particularly in chemical biology and peptide chemistry. This compound plays a crucial role in the synthesis of complex organic molecules and biological molecules, making it an essential tool for researchers working on advanced chemical and biochemical projects. Its unique molecular structure enables precise chemical reactions, which are vital for the development of new compounds with specific biological activities. This compound is commonly found in research laboratories where high accuracy and controlled chemical processes are required.\u003c\/p\u003e\n\u003cp\u003eThe compound is valued for its chemical stability under certain conditions, which simplifies handling, storage, and manipulation in the lab. Its specific molecular structure allows for controlled and precise chemical reactions, making it ideal for applications requiring high precision. This stability and reactivity make it a preferred choice for scientists aiming to achieve consistent results in their experiments. Additionally, its compatibility with various synthetic methods enhances its utility in diverse research contexts.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this compound is frequently used in chemical and biochemical research, especially in the development of new compounds or molecular modifications. Due to its limited availability in the local market, it is often imported or sourced from trusted international suppliers. Its application in peptide synthesis and drug development makes it a critical component in modern laboratory research.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePeptide Synthesis: This compound is ideal for synthesizing peptides due to its structural compatibility with peptide bond formation, enabling the creation of bioactive molecules.\u003c\/li\u003e\n\u003cli\u003eDrug Development: Its use in the development of new pharmaceuticals is due to its ability to participate in controlled chemical reactions that mimic biological processes.\u003c\/li\u003e\n\u003cli\u003eOrganic Chemistry Research: The compound is widely used in organic chemistry for the synthesis of complex organic molecules with specific functional groups.\u003c\/li\u003e\n\u003cli\u003eMolecular Modification Studies: It is used to modify existing molecules, enhancing their biological activity or chemical properties for further research.\u003c\/li\u003e\n\u003cli\u003eBiochemical Analysis: Its stability and reactivity make it suitable for use in biochemical assays where precise chemical interactions are required.\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: 610791-05-4\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Chemical Biology \u0026gt; Peptide Chemistry\u003c\/li\u003e\n\u003cli\u003ePack sizes: Available in various quantities as per supplier specifications\u003c\/li\u003e\n\u003cli\u003ePhysical form: Solid or crystalline, depending on the batch\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 made of glass or high-density polyethylene to prevent contamination and degradation. Due to its chemical nature, it should be handled with care, using appropriate personal protective equipment such as gloves and safety goggles. It is important to ensure that the storage area is well-ventilated to minimize exposure to any potential fumes. Regular monitoring of storage conditions is advised to ensure the compound remains in optimal condition for use in laboratory applications.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085907112154,"sku":"TCI2510B586712625","price":1162000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085907144922,"sku":"TCI2510B586712626","price":3736000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5867.jpg?v=1771058058"},{"product_id":"tci2510b588612656","title":"TCI B5886 135042-12-5 cis-N-(tert-Butoxycarbonyl)-4-hydroxy-D-proline","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B5886 135042-12-5 cis-N-(tert-Butoxycarbonyl)-4-hydroxy-D-proline is a chemical compound widely used in organic and biochemical research. It belongs to the category of peptide chemistry and plays a crucial role in the synthesis of complex peptide molecules. This compound is particularly valuable for its ability to protect hydroxyl groups during chemical reactions, making it essential in controlled peptide synthesis processes. Its presence in Indonesian laboratories highlights its importance in advancing research in biochemistry and pharmaceutical sciences.\u003c\/p\u003e\n\u003cp\u003eThe compound’s unique structure, featuring a tert-butoxycarbonyl group, makes it a preferred choice for protecting functional groups during synthesis. This protecting group ensures that the hydroxyl group at the fourth position of D-proline remains chemically inert until the desired reaction step. Its stability and reactivity under controlled conditions allow for precise manipulation in synthetic pathways. These properties make it a reliable reagent for researchers aiming to develop bioactive compounds and advanced pharmaceutical products.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this compound is commonly used in biochemical and pharmacological research. It is a key component in the synthesis of bioactive peptides, which are essential for drug development and biotechnology applications. Its application extends to both fundamental research and applied projects, supporting innovation in material science and life sciences. Researchers rely on its predictable behavior to achieve consistent results in complex chemical processes.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePeptide Synthesis: This compound is ideal for constructing complex peptide structures with specific biological activities, supporting drug development and bioactive material research.\u003c\/li\u003e\n\u003cli\u003eBiochemical Research: Its role in protecting hydroxyl groups makes it a valuable tool for studying molecular interactions and enzymatic reactions in biological systems.\u003c\/li\u003e\n\u003cli\u003ePharmacological Studies: It is used to develop and test new pharmaceutical compounds, particularly those with high biological activity and therapeutic potential.\u003c\/li\u003e\n\u003cli\u003eMaterial Science Applications: The compound contributes to the creation of bioactive materials, enhancing the functionality of medical and industrial products.\u003c\/li\u003e\n\u003cli\u003eAcademic and Industrial Research: It supports both basic scientific inquiry and applied research in Indonesian laboratories, driving innovation in multiple scientific fields.\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: 135042-12-5\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Chemical Biology \u0026gt; Peptide Chemistry\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 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, away from moisture and direct sunlight to maintain its chemical integrity. It is recommended to use airtight containers to prevent exposure to air and potential degradation. Since it is a chemical reagent, it should be handled with appropriate personal protective equipment, such as gloves and safety goggles, to ensure laboratory safety. Proper labeling of storage containers is essential for easy identification and safe handling. Regular monitoring of storage conditions is advised to ensure optimal stability and usability of the compound in research applications.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085908390106,"sku":"TCI2510B588612656","price":733000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085908422874,"sku":"TCI2510B588612657","price":2221000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5886.jpg?v=1768204455"},{"product_id":"tci2510b588712658","title":"TCI B5887 87691-27-8 cis-N-(tert-Butoxycarbonyl)-4-hydroxy-L-proline","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B5887 is cis-N-(tert-Butoxycarbonyl)-4-hydroxy-L-proline, a derivative of the amino acid proline in which the ring nitrogen has been protected with a tert-butoxycarbonyl (Boc) group and which carries a hydroxyl group at the 4-position in the cis orientation. The compound belongs to the family of peptide chemistry raw materials that are very frequently used as chiral building blocks in stepwise peptide synthesis, both on solid phase and in solution phase. The presence of two functional groups of differing reactivity, namely a free carboxylic acid and a secondary hydroxyl, makes this material a flexible starting point for chemists who wish to construct more elaborate molecular frameworks in a controlled and deliberate manner.\u003c\/p\u003e\n\u003cp\u003eThe characteristic that makes this material a preferred choice is its stereochemical purity. The compound is the cis isomer of 4-hydroxyproline, that is, the epimer of the naturally occurring trans-configured hydroxyproline, and it therefore gives researchers access to a different folding pattern of the pyrrolidine ring. That difference in hydroxyl orientation has been shown to influence the ring puckering preference and, ultimately, the conformation of the peptide chain built from it. The Boc protecting group adds a further practical advantage, since it masks the ring nitrogen during coupling steps and can be removed under acidic conditions without disturbing the stereocentres of the molecule, allowing the synthetic sequence to be planned with confidence.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, a building block of this type is typically found in university research groups, pharmaceutical development units, and contract research facilities that work on peptide synthesis and medicinal chemistry programmes. It is generally ordered in modest quantities for exploratory and method-development work rather than for bulk production, and is handled within a standard synthetic organic chemistry setup equipped with a fume hood, an analytical balance, and facilities for chromatographic purification and structural confirmation of the products obtained.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStepwise solid-phase peptide synthesis, where the Boc-protected ring nitrogen allows the residue to be introduced into a growing chain without side reactions at the amine, while the free carboxylic acid serves as the coupling handle.\u003c\/li\u003e\n\u003cli\u003eSolution-phase peptide assembly, in which the compound acts as a defined chiral building block that can be coupled, deprotected, and extended through a planned sequence of transformations under conventional organic synthesis conditions.\u003c\/li\u003e\n\u003cli\u003eConformational studies of peptide chains, because the cis orientation of the 4-hydroxyl group alters pyrrolidine ring puckering and therefore lets researchers probe how proline stereochemistry shapes the overall peptide fold.\u003c\/li\u003e\n\u003cli\u003eMedicinal chemistry scaffold construction, where the secondary hydroxyl offers a selective attachment point for further derivatisation while the carboxylic acid remains available for amide bond formation elsewhere in the molecule.\u003c\/li\u003e\n\u003cli\u003ePreparation of non-natural proline analogues and peptidomimetics, since this epimer of natural trans-hydroxyproline gives access to structural variants that cannot be obtained directly from the naturally occurring amino acid.\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: 87691-27-8\u003c\/li\u003e\n\u003cli\u003eChemical name: cis-N-(tert-Butoxycarbonyl)-4-hydroxy-L-proline\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Chemical Biology \u0026gt; Peptide Chemistry\u003c\/li\u003e\n\u003cli\u003ePack sizes: available in the catalogue pack sizes offered by the manufacturer for this item\u003c\/li\u003e\n\u003cli\u003eStorage: keep in the closed original 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, and well-ventilated place, away from heat sources, direct sunlight, and moisture, following the storage conditions indicated on the manufacturer's label. Keep the material in its original container or in a chemically compatible, clearly labelled vessel, and close it promptly after each use to limit exposure to atmospheric moisture. Handle the compound in a fume hood using standard laboratory personal protective equipment, including safety glasses, gloves, and a laboratory coat. Weigh and transfer the solid carefully to avoid generating dust, avoid contact with skin and eyes, and wash hands thoroughly after handling. Consult the manufacturer's safety data sheet before use, and dispose of residues and contaminated materials in accordance with applicable laboratory waste procedures.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085908455642,"sku":"TCI2510B588712658","price":1112000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085908488410,"sku":"TCI2510B588712659","price":3257000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5887.jpg?v=1769180241"},{"product_id":"tci2510b590212675","title":"TCI B5902 581065-94-3 tert-Butyl 1-(Tosyloxy)-3,6,9,12-tetraoxapentadecan-15-oate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B5902 tert-Butyl 1-(Tosyloxy)-3,6,9,12-tetraoxapentadecan-15-oate is a heterobifunctional PEG linker designed for PEGylation applications in chemical biology research. This compound features a tosyl leaving group at one terminus for nucleophilic substitution and a tert-butyl ester-protected carboxylic acid at the other, enabling selective conjugation to biomolecules such as proteins, peptides, or small-molecule drugs. It is commonly employed in the development of drug conjugates, drug delivery systems, and biomolecular interaction studies.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085909111002,"sku":"TCI2510B590212675","price":5276000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085909143770,"sku":"TCI2510B590212676","price":17767000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5902_279b9e4a-3917-46e4-b6f3-938443d79391.jpg?v=1767863803"},{"product_id":"tci2510b592612697","title":"TCI B5926 234081-98-2 tert-Butyl Hydrogen Dodecanedioate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e*tert*-Butyl Hydrogen Dodecanedioate (CAS 234081-98-2) is a mono-protected dodecanedioic acid derivative widely used as a non-heterocyclic building block in organic synthesis. The compound features a free carboxylic acid group and a *tert*-butyl-protected counterpart, enabling selective and sequential synthetic transformations. This versatile reagent is commonly employed in peptide synthesis, bioconjugate chemistry, and the development of functional polymeric materials.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085910061274,"sku":"TCI2510B592612697","price":2878000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085910094042,"sku":"TCI2510B592612698","price":10651000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5926_240b4309-21b5-4cde-9ad3-7272c63dbd24.jpg?v=1767863872"},{"product_id":"tci2510b592712699","title":"TCI B5927 234082-00-9 tert-Butyl Hydrogen Tetradecanedioate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003etert-Butyl Hydrogen Tetradecanedioate is a mono-protected diester building block featuring one free carboxylic acid group and one tert-butyl protected carboxyl group, enabling selective stepwise reactions in complex molecule construction. This compound is widely utilized in peptide synthesis, bioactive molecule development, and pharmaceutical research for constructing compound libraries. Its tert-butyl protecting group can be readily removed under mild acidic conditions, making it an ideal choice for orthogonal protection strategies in multi-step organic synthesis.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085910126810,"sku":"TCI2510B592712699","price":4115000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5927.jpg?v=1767092950"},{"product_id":"tci2510b592812700","title":"TCI B5928 843666-40-0 18-(tert-Butoxy)-18-oxooctadecanoic Acid","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B5928 18-(tert-Butoxy)-18-oxooctadecanoic Acid (CAS 843666-40-0) is a non-heterocyclic building block featuring a long-chain octadecanoic acid backbone with a tert-butyl ester protecting group. This compound serves as a versatile intermediate in organic synthesis for constructing lipid-based molecules, functional surfactants, and bioconjugation precursors. The acid-labile tert-butoxy protection allows selective deprotection under mild conditions, making it suitable for multi-step synthetic strategies in medicinal chemistry and materials research.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"250mg","offer_id":48085910225114,"sku":"TCI2510B592812700","price":1566000.0,"currency_code":"IDR","in_stock":true},{"title":"1g","offer_id":48085910257882,"sku":"TCI2510B592812701","price":5932000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5928_e8b222ac-d93c-42c2-bae3-2c84f28ba3b9.jpg?v=1767863881"},{"product_id":"tci2510b595812737","title":"TCI B5958 120539-91-5 N-Carbobenzoxypropargylamine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B5958 N-Carbobenzoxypropargylamine (CAS 120539-91-5) is a non-heterocyclic building block featuring a Cbz-protected amine and a terminal alkyne moiety, widely used in organic synthesis laboratories. This compound serves as a versatile intermediate for copper-catalyzed azide-alkyne cycloaddition (CuAAC, click chemistry), peptide synthesis, and cross-coupling reactions. Its dual functionality enables stepwise molecular construction, making it an essential reagent for medicinal chemistry and functional materials research.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085911568602,"sku":"TCI2510B595812737","price":4619000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B5958.jpg?v=1767092995"},{"product_id":"tci2510b605712863","title":"TCI B6057 50654-94-9 (tert-Butoxycarbonyl)-D-histidine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e(tert-Butoxycarbonyl)-D-histidine (Boc-D-His-OH) is a protected D-histidine derivative with a Boc group attached to its amino terminus, serving as an essential building block for peptide synthesis. This high-purity reagent from TCI is commonly used in solid-phase and solution-phase peptide synthesis to introduce D-histidine residues into peptide chains, particularly for studies on stereochemical effects on biological activity. It finds broad application in peptide chemistry research, including the development of modified peptides, cyclic peptides, and peptide-based drug candidates with enhanced enzymatic stability.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085917204698,"sku":"TCI2510B605712863","price":1213000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085917237466,"sku":"TCI2510B605712864","price":4140000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6057.jpg?v=1768204481"},{"product_id":"tci2510b607412881","title":"TCI B6074 51871-62-6 N-(tert-Butoxycarbonyl)-L-beta-homophenylalanine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6074 N-(tert-Butoxycarbonyl)-L-beta-homophenylalanine (CAS 51871-62-6) is a Boc-protected beta-homologated phenylalanine derivative widely used as a building block in peptide synthesis. Its beta-homo backbone confers enhanced proteolytic stability and distinct conformational properties to synthetic peptides, making it valuable in chemical biology research and peptide drug development. Available in 250mg and 1g packaging, this high-purity reagent is ideal for both solid-phase and solution-phase peptide chemistry applications.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"250mg","offer_id":48085917827290,"sku":"TCI2510B607412881","price":2524000.0,"currency_code":"IDR","in_stock":true},{"title":"1g","offer_id":48085917860058,"sku":"TCI2510B607412882","price":6310000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6074.jpg?v=1771058403"},{"product_id":"tci2510b608612898","title":"TCI B6086 120728-10-1 N-tert-Butoxycarbonyl-1-aminocyclobutanecarboxylic Acid","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6086, N-tert-Butoxycarbonyl-1-aminocyclobutanecarboxylic Acid (CAS 120728-10-1), is a Boc-protected non-proteinogenic amino acid widely employed as a conformationally constrained building block in peptide synthesis. It is commonly utilized in medicinal chemistry research, particularly in the development of modified peptides, peptidomimetics, and cyclic peptide scaffolds for structure-activity relationship studies. This compound supports applications in chemical biology, including enzyme inhibitor design and protein-protein interaction research.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085919203546,"sku":"TCI2510B608612898","price":808000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085919236314,"sku":"TCI2510B608612899","price":2853000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6086.jpg?v=1768204484"},{"product_id":"tci2510b608812900","title":"TCI B6088 155976-13-9 N-(tert-Butoxycarbonyl)-L-cyclopropylglycine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI's N-(tert-Butoxycarbonyl)-L-cyclopropylglycine (Boc-L-Cpg) is a Boc-protected unnatural amino acid widely employed as a key building block in peptide synthesis. The tert-butoxycarbonyl group provides temporary N-terminal protection during solid-phase or solution-phase peptide coupling, while the cyclopropyl side chain introduces conformational rigidity into the peptide backbone. This compound is particularly valuable in chemical biology research for designing metabolically stable, constrained peptides used in enzyme inhibitor development, structure-activity relationship studies, and protein-protein interaction modulation.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"200mg","offer_id":48085919269082,"sku":"TCI2510B608812900","price":1465000.0,"currency_code":"IDR","in_stock":true},{"title":"1g","offer_id":48085919301850,"sku":"TCI2510B608812901","price":4392000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6088.jpg?v=1768204483"},{"product_id":"tci2510b610812928","title":"TCI B6108 1004755-00-3 tert-Butyl (R)-2-(2,6-Dichlorophenyl)-5-oxo-3-[(R)-1-phenylethyl]imidazolidine-1-carboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6108 tert-Butyl (R)-2-(2,6-Dichlorophenyl)-5-oxo-3-[(R)-1-phenylethyl]imidazolidine-1-carboxylate (CAS 1004755-00-3) is a high-purity heterocyclic building block designed for advanced organic synthesis in research laboratories. This chiral imidazolidine derivative serves as a versatile intermediate for asymmetric synthesis, particularly in medicinal chemistry and drug discovery programs. Its dual (R)-configuration and Boc-protecting group enable precise stereochemical control, making it suitable for constructing nitrogen-containing bioactive molecules and pharmaceutical candidates.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085920448730,"sku":"TCI2510B610812928","price":4771000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6108.jpg?v=1767093185"},{"product_id":"tci2510b610912929","title":"TCI B6109 1149765-08-1 tert-Butyl (S)-2-(2,6-Dichlorophenyl)-5-oxo-3-[(S)-1-phenylethyl]imidazolidine-1-carboxylate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003etert-Butyl (S)-2-(2,6-Dichlorophenyl)-5-oxo-3-[(S)-1-phenylethyl]imidazolidine-1-carboxylate is a chiral heterocyclic building block widely utilized in stereoselective organic synthesis. Its imidazolidinone core, protected by a Boc group and substituted with 2,6-dichlorophenyl and phenylethyl moieties, makes it a valuable intermediate for constructing bioactive molecular scaffolds. This compound is particularly suited for medicinal chemistry research, asymmetric synthesis, and the development of novel pharmaceutical candidates requiring defined stereochemistry.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085920514266,"sku":"TCI2510B610912929","price":4771000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6109.jpg?v=1767093189"},{"product_id":"tci2510b614812972","title":"TCI B6148 54613-99-9 Boc-Lys(2-Cl-Z)-OH","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eBoc-Lys(2-Cl-Z)-OH is a doubly protected lysine derivative widely employed as a building block in solid-phase peptide synthesis (SPPS). The Boc group protects the α-amino terminus while the 2-Cl-Z group safeguards the ε-amino side chain, enabling selective orthogonal deprotection during peptide chain elongation. This high-purity TCI reagent is suitable for the synthesis of branched peptides, cyclic peptides, and peptide conjugates in pharmaceutical and biochemical research settings.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"5g","offer_id":48085922119898,"sku":"TCI2510B614812972","price":808000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48085922152666,"sku":"TCI2510B614812973","price":2550000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6148.jpg?v=1768204485"},{"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":"tci2510b632913178","title":"TCI B6329 50847-09-1 2-Bromo-1H-imidazole-4,5-dicarbonitrile","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6329 2-Bromo-1H-imidazole-4,5-dicarbonitrile is a bromo- and dicyano-substituted heterocyclic building block widely employed in nucleic acid chemistry and chemical biology research. It serves as a versatile intermediate for the synthesis of modified nucleosides, purine analogs, and imidazole-based enzyme inhibitors. The bromo substituent at position 2 enables efficient cross-coupling reactions, while the two nitrile groups allow further functionalization into amides, tetrazoles, or fused heterocycles for medicinal chemistry applications.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085930967258,"sku":"TCI2510B632913178","price":2702000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085931000026,"sku":"TCI2510B632913179","price":8203000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6329.jpg?v=1768197078"},{"product_id":"tci2510b633013180","title":"TCI B6330 99257-95-1 1H-Benzimidazol-3-ium Trifluoromethanesulfonate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6330, with the CAS number 99257-95-1, is a chemical compound known as 1H-Benzimidazol-3-ium Trifluoromethanesulfonate. It is widely used in laboratory settings for its unique chemical properties and versatility in chemical and biochemical experiments. This compound plays a crucial role in nucleic acid chemistry, particularly in the modification and synthesis of DNA and RNA molecules. Its ability to participate in various chemical reactions makes it an essential reagent for researchers working in chemical biology and molecular biology.\u003c\/p\u003e\n\u003cp\u003eThe compound is valued for its stability under specific conditions and its reactivity with a wide range of chemical reagents. Its complex molecular structure allows it to be used in high-specificity chemical reactions, making it ideal for applications that require precision and control. The compound’s chemical properties enable it to function as a key building block in the synthesis of bioactive compounds, which are often used in drug development and molecular research. Its reliability and consistent performance make it a preferred choice for laboratory use.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this compound is commonly used in research related to chemical biology and biotechnology. Due to its high quality and specificity, it is a go-to material for scientists working on nucleic acid modifications and other advanced chemical processes. Its role in supporting high-precision experiments makes it an important component in the toolkit of Indonesian researchers.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNucleic Acid Modification: This compound is ideal for modifying DNA and RNA due to its ability to participate in specific chemical reactions that alter nucleic acid structures.\u003c\/li\u003e\n\u003cli\u003eBioactive Compound Synthesis: Its complex structure allows it to be used as a building block in the synthesis of compounds with biological activity, supporting drug development efforts.\u003c\/li\u003e\n\u003cli\u003eChemical Reaction Catalyst: The compound’s reactivity with various reagents makes it a valuable catalyst in chemical synthesis processes requiring high specificity.\u003c\/li\u003e\n\u003cli\u003eMolecular Biology Research: It is frequently used in molecular biology experiments where precise chemical interactions are essential for studying biological processes.\u003c\/li\u003e\n\u003cli\u003eLaboratory Reagent for High-Precision Experiments: Its stability and reactivity make it suitable for experiments that demand accuracy and controlled chemical environments.\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: 99257-95-1\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Chemical Biology \u0026gt; Nucleic Acid Chemistry\u003c\/li\u003e\n\u003cli\u003ePack sizes: Available in various quantities as per supplier specifications\u003c\/li\u003e\n\u003cli\u003ePhysical form: Solid (as per standard chemical product 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 chemical integrity and prevent degradation. It is recommended to use airtight containers to protect it from moisture and humidity. Since it is a chemical reagent, it should be handled in a well-ventilated laboratory area, preferably with appropriate personal protective equipment. Avoid exposure to direct sunlight and ensure that storage conditions are consistent to preserve its effectiveness. Proper labeling and secure storage are essential to prevent accidental contamination or misuse. Always follow standard laboratory safety protocols when handling this compound.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48085931032794,"sku":"TCI2510B633013180","price":1237000.0,"currency_code":"IDR","in_stock":true},{"title":"10g","offer_id":48085931065562,"sku":"TCI2510B633013181","price":3181000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6330.jpg?v=1768197083"},{"product_id":"tci2510b636213230","title":"TCI B6362 13726-76-6 Boc-Arg-OH","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6362, Boc-Arg-OH (CAS 13726-76-6), is an Nα-Boc-protected arginine derivative intended for peptide chemistry applications. The tert-butoxycarbonyl group masks the α-amino function so that coupling reactions proceed selectively, and it can subsequently be removed under acidic conditions within a Boc-based synthetic strategy. Arginine residues contribute the guanidine side chain that underpins molecular recognition, charge-driven interactions, and the design of cell-penetrating peptides. AMI Scientific offers this TCI reagent in 1 g and 5 g pack sizes for solid-phase and solution-phase peptide synthesis in research laboratories.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eImaizumi et al. (2000). Anterograde axonal transport of Boc-Arg-Val-Arg-Arg-MCA hydrolyzing enzyme in rat sciatic nerves: cleavage occurs between basic residues. \u003cem\u003eBiochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1016\/s0167-4838(99)00239-3\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1016\/s0167-4838(99)00239-3\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":48085932933338,"sku":"TCI2510B636213230","price":860000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085932966106,"sku":"TCI2510B636213231","price":2903000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6362.jpg?v=1769180264"},{"product_id":"tci2510b636413234","title":"TCI B6364 5545-52-8 Z-Asp(OtBu)-OH","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6364, Z-Asp(OtBu)-OH (CAS 5545-52-8), is a doubly protected aspartic acid derivative bearing a benzyloxycarbonyl group on the amino function and a tert-butyl ester on the side-chain carboxyl. This orthogonal arrangement lets chemists remove each protecting group under different conditions — hydrogenolysis for the Z group and acid for the tert-butyl ester — giving precise control over each synthetic step. Keeping the side chain masked helps suppress unwanted cyclisation and branching at aspartate residues during chain elongation. AMI Scientific supplies this TCI peptide-chemistry reagent in 5 g and 25 g pack sizes for research use.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKates et al. (1995). Rearrangement of Glu(OtBu)- and Asp(OtBu)-containing peptides upon fluoride treatment in solid-phase synthesis. \u003cem\u003eLetters in Peptide Science\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1007\/bf00127267\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1007\/bf00127267\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eHamzé dkk. (2003). Synthesis of (R) and (S) enantiomers of Fmoc-protected 1,2,4-oxadiazole-containing β3-amino acids from Fmoc-(R)-β-HAsp(OtBu)-OH. \u003cem\u003eTetrahedron Letters\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1016\/s0040-4039(03)01471-0\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1016\/s0040-4039(03)01471-0\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":48085933097178,"sku":"TCI2510B636413234","price":1112000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48085933129946,"sku":"TCI2510B636413235","price":3761000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6364.jpg?v=1768197087"},{"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":"tci2510b642113305","title":"TCI B6421 4039-82-1 [(Prop-2-yn-1-yloxy)methyl]benzene","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6421 [(Prop-2-yn-1-yloxy)methyl]benzene (CAS 4039-82-1), also known as benzyl propargyl ether, is a versatile non-heterocyclic building block bearing a terminal alkyne. The alkyne group makes it a convenient partner for copper-catalysed azide–alkyne cycloaddition and Sonogashira-type coupling reactions. Its benzyl ether portion serves as a stable yet removable linker element in multi-step synthetic routes. Handle the material in a fume hood, keep it away from ignition sources, and store it tightly sealed in a cool, dark place.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"5g","offer_id":48085939093722,"sku":"TCI2510B642113305","price":1995000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48085939126490,"sku":"TCI2510B642113306","price":6940000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6421_2d5e2e8a-6d72-46e5-af66-b327aefce0de.jpg?v=1767865713"},{"product_id":"tci2510b643713325","title":"TCI B6437 115951-16-1 1-[(tert-Butoxycarbonyl)amino]cyclohexanecarboxylic Acid","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6437 1-[(tert-Butoxycarbonyl)amino]cyclohexanecarboxylic Acid (CAS 115951-16-1) is a Boc-protected cyclic amino acid in which the amino and carboxyl groups share a quaternary carbon. Its rigid cyclohexane framework makes it valuable for designing conformationally constrained peptides and peptide analogues. The pre-installed Boc group saves a protection step and can be removed under well-established acidic conditions. Store the solid tightly sealed in a cool, dry place away from strong acids, and refer to the manufacturer's safety data sheet before handling.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBadland et al. (2010). An improved synthesis of (1R,3S)-3-[(tert-butoxycarbonyl)amino]cyclohexanecarboxylic acid. \u003cem\u003eTetrahedron: Asymmetry\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1016\/j.tetasy.2010.04.049\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1016\/j.tetasy.2010.04.049\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eKadyrov et al. (2021). Convenient Synthesis of (R)-3-[(tert-Butoxycarbonyl)amino]piperidine and (R)-3-[(tert-Butoxycarbonyl)amino]azepane. \u003cem\u003eSynthesis\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1055\/a-1526-7657\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1055\/a-1526-7657\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e(2012). Discussion Addendum For: Efficient Asymmetric Synthesis of N-tert-Butoxycarbonyl a-Amino Acids using 4-tert-Butoxycarbonyl-5,6-Diphenylmorpholin-2-one:. \u003cem\u003eOrganic Syntheses\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.15227\/orgsyn.089.0394\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.15227\/orgsyn.089.0394\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":48085939912922,"sku":"TCI2510B643713325","price":1742000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085939945690,"sku":"TCI2510B643713326","price":6082000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6437_d1e882c4-5446-4e40-b77f-bf0c8053c12b.jpg?v=1767865775"},{"product_id":"tci2510b648613389","title":"TCI B6486 4530-18-1 Boc-DL-Phe-OH","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6486, Boc-DL-Phe-OH (CAS 4530-18-1), is racemic phenylalanine protected at the amino group with a tert-butoxycarbonyl group. The Boc group is stable to basic and nucleophilic conditions yet readily removed under acidic treatment, making this a dependable building block for solution- and solid-phase peptide synthesis. Its racemic nature makes it particularly cost-effective for coupling method development, chiral analysis reference work, and advanced teaching laboratories. AMI Scientific offers this TCI product in 25 g and 100 g pack sizes, to be stored cool, dry, and tightly closed.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRodriguez et al. (1990). A general route to “carba” peptide bond replacements: Unequivocal synthesis of Boc--Phe-ψ(CH2-CH2)--Ala-OH and Boc--Phe-ψ(CH2-CH2)--Ala-OH.. \u003cem\u003eTetrahedron Letters\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1016\/s0040-4039(00)97829-8\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1016\/s0040-4039(00)97829-8\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eHayashi et al. (2014). Development of potent antagonists for formyl peptide receptor 1 based on Boc-Phe-d-Leu-Phe-d-Leu-Phe-OH. \u003cem\u003eBioorganic \u0026amp; Medicinal Chemistry\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1016\/j.bmc.2014.06.048\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1016\/j.bmc.2014.06.048\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eKarle et al. (2002). Infinite pleated β-sheet formed by the β-hairpin Boc-β-Phe-β-Phe- d -Pro-Gly-β-Phe-β-Phe-OMe. \u003cem\u003eProceedings of the National Academy of Sciences\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1073\/pnas.022616499\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1073\/pnas.022616499\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":"25g","offer_id":48085942960346,"sku":"TCI2510B648613389","price":1566000.0,"currency_code":"IDR","in_stock":true},{"title":"100g","offer_id":48085942993114,"sku":"TCI2510B648613390","price":4544000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6486.jpg?v=1769144627"},{"product_id":"tci2510b649413397","title":"TCI B6494 3601-66-9 Boc-DL-Phg-OH","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6494, Boc-DL-Phg-OH (CAS 3601-66-9), is racemic phenylglycine protected with a tert-butoxycarbonyl group at the amino position. With the aryl ring attached directly to the alpha carbon, phenylglycine offers greater conformational rigidity than phenylalanine and a well-documented tendency toward racemisation during coupling. This makes the DL form especially useful as a reference standard for chiral chromatography method development, coupling condition evaluation, and kinetic resolution studies, in addition to routine peptide synthesis. AMI Scientific supplies this TCI product in a 25 g pack, to be kept cool, dry, tightly closed, and away from strong acid vapours.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"25g","offer_id":48085943255258,"sku":"TCI2510B649413397","price":1566000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6494.jpg?v=1768204508"},{"product_id":"tci2510b655413483","title":"TCI B6554 405-39-0 Z-Lys(z)-OH","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6554 is Z-Lys(Z)-OH, an L-lysine derivative in which both the alpha- and epsilon-amino groups are protected as benzyloxycarbonyl (Cbz\/Z) carbamates. Leaving only the carboxylic acid free, it allows chemists to activate a single site selectively and avoid branching side reactions during peptide bond formation. The Z groups are conventionally removed by palladium-catalysed hydrogenolysis, making this a classic reagent in solution-phase peptide synthesis and lysine-derivative chemistry. AMI Scientific offers this TCI product in a 25 g pack; please refer to the official TCI documentation and safety data sheet before use.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKhan (2010). A Simple \u0026amp; Convenient Solid Phase Synthesis of Bacterial Origin Octapeptide Sequence, Glu-Asp-Gly-Asn-Lys-Pro-Gly-Lys-OH. \u003cem\u003eInternational Journal of Peptide Research and Therapeutics\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1007\/s10989-010-9200-5\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1007\/s10989-010-9200-5\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eCarles-Bonnet et al. (1996). H-Lys-Arg-Asn-Lys-Asn-Asn-OH is the minimal active structure of oxyntomodulin. \u003cem\u003ePeptides\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1016\/0196-9781(96)00001-0\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1016\/0196-9781(96)00001-0\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eGaucher et al. (2006). Influence of crosslinker identity and position on gas-phase dissociation of lys-lys crosslinked peptides. \u003cem\u003eJournal of the American Society for Mass Spectrometry\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1016\/j.jasms.2005.11.023\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1016\/j.jasms.2005.11.023\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":"25g","offer_id":48085947023578,"sku":"TCI2510B655413483","price":2247000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6554.jpg?v=1768204512"},{"product_id":"tci2510b657413511","title":"TCI B6574 1205-08-9 Methyl Hippurate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6574 Methyl Hippurate (CAS 1205-08-9) is the methyl ester of hippuric acid, a benzoyl-protected glycine derivative widely used in organic and peptide chemistry. Its combined amide and ester functionalities provide two distinct reactive handles for selective transformations. Typical uses include the preparation of azlactone and heterocyclic derivatives, as well as serving as a model substrate in amide bond methodology and enzyme activity studies. Supplied in 1 g and 5 g pack sizes, it should be kept in a tightly closed container in a cool, dry location.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMcIntosh et al. (1992). The effect of base and additive on the alkylation of methyl hippurate.. \u003cem\u003eTetrahedron\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1016\/s0040-4020(01)88213-2\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1016\/s0040-4020(01)88213-2\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaung et al. (2021). Antifungal compound, methyl hippurate from Bacillus velezensis CE 100 and its inhibitory effect on growth of Botrytis cinerea. \u003cem\u003eWorld Journal of Microbiology and Biotechnology\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1007\/s11274-021-03046-x\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1007\/s11274-021-03046-x\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":48085948039386,"sku":"TCI2510B657413511","price":1465000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085948072154,"sku":"TCI2510B657413512","price":5048000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6574.jpg?v=1768204512"},{"product_id":"tci2510b660513559","title":"TCI B6605 62129-44-6 Boc-Phe(4-I)-OH","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6605 Boc-Phe(4-I)-OH is a Boc-protected 4-iodophenylalanine derivative widely used as a building block in peptide chemistry. The acid-labile Boc group allows controlled deprotection during chain assembly, while the para-iodo substituent serves as a versatile handle for palladium-catalysed cross-coupling. Researchers commonly employ it to incorporate unnatural amino acid residues and to enable late-stage diversification of peptide scaffolds. AMI Scientific supplies this TCI reagent in 1 g and 5 g pack sizes for peptide synthesis, medicinal chemistry, and chemical biology laboratories.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRodriguez et al. (1990). A general route to “carba” peptide bond replacements: Unequivocal synthesis of Boc--Phe-ψ(CH2-CH2)--Ala-OH and Boc--Phe-ψ(CH2-CH2)--Ala-OH.. \u003cem\u003eTetrahedron Letters\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1016\/s0040-4039(00)97829-8\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1016\/s0040-4039(00)97829-8\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eHayashi et al. (2014). Development of potent antagonists for formyl peptide receptor 1 based on Boc-Phe-d-Leu-Phe-d-Leu-Phe-OH. \u003cem\u003eBioorganic \u0026amp; Medicinal Chemistry\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1016\/j.bmc.2014.06.048\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1016\/j.bmc.2014.06.048\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eKarle et al. (2002). Infinite pleated β-sheet formed by the β-hairpin Boc-β-Phe-β-Phe- d -Pro-Gly-β-Phe-β-Phe-OMe. \u003cem\u003eProceedings of the National Academy of Sciences\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1073\/pnas.022616499\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1073\/pnas.022616499\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":48085949907162,"sku":"TCI2510B660513559","price":758000.0,"currency_code":"IDR","in_stock":true},{"title":"5g","offer_id":48085949939930,"sku":"TCI2510B660513560","price":2600000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6605.jpg?v=1768204515"},{"product_id":"tci2510b661413571","title":"TCI B6614 2566-22-5 Bzo-Phe-OH","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6614 (Bzo-Phe-OH) is N-benzoyl phenylalanine, an N-acylated aromatic amino acid derivative. The robust benzoyl amide protection and free carboxylic acid make it a convenient model compound for peptide and enzyme studies. It is frequently used as a reference analyte in HPLC method development and in the evaluation of chiral stationary phases, aided by the UV-active benzoyl chromophore. AMI Scientific supplies this TCI reagent in 5 g and 25 g pack sizes for peptide chemistry, biochemistry, and analytical laboratories.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"5g","offer_id":48085950365914,"sku":"TCI2510B661413571","price":986000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48085950398682,"sku":"TCI2510B661413572","price":3307000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6614.jpg?v=1768204514"},{"product_id":"tci2510b666813627","title":"TCI B6668 1410809-16-3 tert-Butyl 4-[4-(1-Hydroxyethyl)-2-methoxy-5-nitrophenoxy]butanoate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6668, tert-Butyl 4-[4-(1-Hydroxyethyl)-2-methoxy-5-nitrophenoxy]butanoate (CAS 1410809-16-3), is a functionalized nitrobenzyl-type reagent designed for photolabile protecting group chemistry. Its secondary benzylic alcohol provides an attachment point for caging a target molecule, while the tert-butyl protected butanoate arm acts as a linker toward peptides, surfaces, or carrier molecules. This dual functionality supports caged compound synthesis, light-triggered release studies, and patterned surface fabrication. AMI Scientific supplies this TCI reagent in a 1 g pack size for laboratory-scale synthesis and route optimization.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSmith (1997). tert-Butyl-3-methoxy-5,5-dimethyl-6-heptenoate. \u003cem\u003eMolecules\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.3390\/m30\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.3390\/m30\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eSmith (1997). tert-Butyl-3-methoxy-5,5-dimethyl-7-oxo-heptanoate. \u003cem\u003eMolecules\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.3390\/m32\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.3390\/m32\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eSmith (1997). tert-Butyl-3-methoxy-5,5-dimethyl-7-hydroxy-heptanoate. \u003cem\u003eMolecules\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.3390\/m31\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.3390\/m31\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":48085952725210,"sku":"TCI2510B666813627","price":7698000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6668.jpg?v=1767094102"},{"product_id":"tci2510b666913628","title":"TCI B6669 1410809-15-2 tert-Butyl 4-(4-Acetyl-2-methoxy-5-nitrophenoxy)butanoate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6669, tert-Butyl 4-(4-Acetyl-2-methoxy-5-nitrophenoxy)butanoate (CAS 1410809-15-2), is the ketone counterpart within the same photolabile protecting group series, carrying acetyl, methoxy, and nitro substituents on the aromatic ring. The benzylic acetyl group offers a clear entry point for reduction to the corresponding secondary benzylic alcohol used in caging chemistry. Its tert-butyl protected butanoate arm serves as a linker toward peptides, probes, or functionalized surfaces. AMI Scientific provides this TCI reagent in a 1 g pack size for laboratory-scale synthesis and method development.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSmith (1997). tert-Butyl-3-methoxy-5,5-dimethyl-6-heptenoate. \u003cem\u003eMolecules\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.3390\/m30\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.3390\/m30\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eSmith (1997). tert-Butyl-3-methoxy-5,5-dimethyl-7-oxo-heptanoate. \u003cem\u003eMolecules\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.3390\/m32\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.3390\/m32\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eSmith (1997). tert-Butyl-3-methoxy-5,5-dimethyl-7-hydroxy-heptanoate. \u003cem\u003eMolecules\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.3390\/m31\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.3390\/m31\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":48085952954586,"sku":"TCI2510B666913628","price":4721000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6669.jpg?v=1767094106"},{"product_id":"tci2510b676013676","title":"TCI B6760 13343-67-4 Benzyl 2-Acetamido-2-deoxy-beta-D-glucopyranoside","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6760 Benzyl 2-Acetamido-2-deoxy-beta-D-glucopyranoside is a benzyl beta-glycoside of N-acetylglucosamine, a sugar unit widely found in glycoproteins, glycolipids, and chitin. The benzyl group locks the anomeric position, allowing chemists to focus selective protection and coupling steps on the remaining hydroxyl groups. It therefore serves as a practical glycosyl acceptor for oligosaccharide assembly, glycosidase substrate studies, and carbohydrate probe synthesis. AMI Scientific offers this TCI glycoscience reagent in a milligram-scale package; keep it dry, tightly closed, and stored as recommended on the label.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"200mg","offer_id":48085954920666,"sku":"TCI2510B676013676","price":5755000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6760.jpg?v=1767094185"},{"product_id":"tci2510b688013785","title":"TCI B6880 1202942-54-8 5-(Bromomethyl)-2-phenyl-2H-tetrazole","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6880 is 5-(Bromomethyl)-2-phenyl-2H-tetrazole, a heterocyclic building block that combines a phenyl-substituted tetrazole ring with a highly reactive bromomethyl group. The tetrazole ring occupies an important position in medicinal chemistry because it is frequently used as a replacement for the carboxylic acid group, offering comparable acidity but different physicochemical behaviour. In this compound, the tetrazole nitrogen has already been substituted with a phenyl group at the 2-position, so the usual complications of tautomerism and N–H acidity no longer interfere, while the bromomethyl group serves as the connection point for attaching the tetrazole ring to other molecules.\u003c\/p\u003e\n\u003cp\u003eThe property that makes this material valuable is the reactivity of the bromomethyl group as an effective alkylating agent. The bromine atom sits on a primary carbon and is readily displaced by nucleophiles such as amines, thiols, deprotonated alcohols, carbanions, and azides through nucleophilic substitution reactions. In this way, the tetrazole ring can be attached directly onto a target molecular framework in a single step, without having to construct the tetrazole ring from a nitrile and an azide, a route that demands harsher conditions. The phenyl substitution on nitrogen also adds stability and imparts lipophilic character to the resulting structure.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this building block is typically used in synthetic organic and medicinal chemistry research settings, including university research groups, pharmaceutical development laboratories, and contract research organisations engaged in the preparation of bioactive compound libraries. It is normally handled on a small research scale, where a single reactive handle allows the tetrazole motif to be introduced late in a synthetic sequence, supporting structure–activity relationship studies and the exploration of carboxylic acid bioisosteres in candidate molecules.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCarboxylic acid bioisostere installation — the pre-formed tetrazole ring can be attached to a lead compound to replace a carboxylic acid group while retaining comparable acidity and altering physicochemical behaviour.\u003c\/li\u003e\n\u003cli\u003eN-Alkylation of amines — the primary bromomethyl carbon is readily displaced by primary and secondary amines, giving direct access to tetrazolylmethyl amine derivatives in a single synthetic step.\u003c\/li\u003e\n\u003cli\u003eS-Alkylation of thiols — thiol nucleophiles react efficiently with the bromomethyl handle, allowing the phenyl tetrazole motif to be tethered onto sulfur-containing scaffolds and fragments.\u003c\/li\u003e\n\u003cli\u003eEther formation with deprotonated alcohols — alkoxide nucleophiles displace the bromine to build tetrazolylmethyl ether linkages without requiring construction of the tetrazole ring itself.\u003c\/li\u003e\n\u003cli\u003eCarbanion and azide coupling — stabilised carbanions and azide nucleophiles substitute the bromide, extending carbon frameworks or providing azide intermediates for further functionalisation work.\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: 1202942-54-8\u003c\/li\u003e\n\u003cli\u003eChemical name: 5-(Bromomethyl)-2-phenyl-2H-tetrazole\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 current catalogue pack options 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 material in a cool, dry area, protected from light and moisture, in its tightly closed original container. Suitable containers are amber or opaque glass bottles with chemically resistant closures; avoid transferring the compound into containers that are not rated for reactive organic halides. Because benzylic and primary alkyl bromides act as alkylating agents, treat this compound as a potential skin, eye, and respiratory irritant, and handle all weighing and transfer operations inside a functioning fume hood while wearing nitrile gloves, safety goggles, and a laboratory coat. Keep the material away from strong bases, strong oxidising agents, and sources of heat or ignition. Allow sealed containers to reach room temperature before opening to prevent moisture condensation, and dispose of residues and contaminated consumables as halogenated organic chemical waste in accordance with institutional procedures.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"100mg","offer_id":48085959704794,"sku":"TCI2510B688013785","price":3636000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6880.jpg?v=1767094356"},{"product_id":"tci2510b696513843","title":"TCI B6965 37005-02-0 3,6-Bis(3,4-dihydro-2H-pyran-6-yl)-1,2,4,5-tetrazine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B6965 is 3,6-bis(3,4-dihydro-2H-pyran-6-yl)-1,2,4,5-tetrazine, a symmetric tetrazine reagent for bioorthogonal click chemistry. Its electron-poor tetrazine core undergoes rapid, catalyst-free inverse electron demand Diels–Alder reactions with strained dienophiles. Because tetrazines also quench fluorescence, this scaffold is useful in turn-on probe design and in biomolecule conjugation workflows. AMI Scientific supplies 50 mg and 250 mg packs; store the reagent cool, dry, and protected from light, preparing solutions fresh before use.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"50mg","offer_id":48085962621146,"sku":"TCI2510B696513843","price":2524000.0,"currency_code":"IDR","in_stock":true},{"title":"250mg","offer_id":48085962653914,"sku":"TCI2510B696513844","price":9061000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B6965.jpg?v=1767094443"},{"product_id":"tci2510b700313869","title":"TCI B7003 1-(tert-Butyl)-3-(methylthio)-5-phenyl-1,2,4-triazin-1-ium Trifluoromethanesulfonate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI B7003 1-(tert-Butyl)-3-(methylthio)-5-phenyl-1,2,4-triazin-1-ium trifluoromethanesulfonate is a cationic triazinium reagent developed for conjugation chemistry. The electron-poor triazinium ring is designed for inverse electron demand Diels–Alder reactions, a widely used bioorthogonal ligation strategy. Its tert-butyl, methylthio, and phenyl substituents tune both the steric environment and the electronic character of the ring. AMI Scientific supplies this chemical biology reagent in 200 mg and 1 g pack sizes.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKisliy et al. (2004). 4‐Amino‐6‐(tert‐butyl)‐3‐methylthio‐4,5‐dihydro‐1,2,4‐triazin‐5‐one in Nucleophilic Substitution Reactions with Carboxylic Acid Hydrazides.. \u003cem\u003eChemInform\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1002\/chin.200415152\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1002\/chin.200415152\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eKisliy et al. (2003). 4-Amino-6-(tert-butyl)-3-methylthio-4,5-dihydro-1,2,4-triazin-5-one in Nucleophilic Substitution Reactions with Carboxylic Acid Hydrazides. \u003cem\u003eChemistry of Heterocyclic Compounds\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1023\/a:1025623902326\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1023\/a:1025623902326\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eKodama et al. (2021). 4,4′-Di-tert-butyl-2,2′-bipyridinium Trifluoromethanesulfonate. \u003cem\u003eMolbank\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.3390\/m1261\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.3390\/m1261\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":"200mg","offer_id":48085963669722,"sku":"TCI2510B700313869","price":1844000.0,"currency_code":"IDR","in_stock":true},{"title":"1g","offer_id":48085963702490,"sku":"TCI2510B700313870","price":7118000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510B7003.jpg?v=1767094470"},{"product_id":"tci2510c001513929","title":"TCI C0015 3144-16-9 (+)-10-Camphorsulfonic Acid","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI C0015 (+)-10-Camphorsulfonic Acid, CAS 3144-16-9, is a strong, optically active sulfonic acid built on the camphor framework. It is widely used as a resolving agent for racemic amines, forming diastereomeric salts that can be separated by crystallisation. The compound also serves as a convenient solid Brønsted acid catalyst for protection and deprotection steps, and as an ion-pairing additive in chromatography. AMI Scientific offers this TCI product in 25 g, 100 g, and 500 g pack sizes; because it is hygroscopic, keep the container tightly closed.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eZhang et al. (2002). Synthesis and characterization of self-assembled polyaniline nanotubes doped with D-10-camphorsulfonic acid. \u003cem\u003eNanotechnology\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1088\/0957-4484\/13\/6\/311\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1088\/0957-4484\/13\/6\/311\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eYan et al. (1999). Thermoelectric Properties of Alternatively Layered Films of Polyaniline and (±)-10-Camphorsulfonic Acid-Doped Polyaniline. \u003cem\u003eChemistry Letters\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1246\/cl.1999.1217\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1246\/cl.1999.1217\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eZhai et al. (2020). Anti-Corrosive Coating of Carbon-Steel Assisted by Polymer-Camphorsulfonic Acid Embedded within Graphene. \u003cem\u003eCoatings\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.3390\/coatings10090879\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.3390\/coatings10090879\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":"25g","offer_id":48085966127322,"sku":"TCI2510C001513929","price":758000.0,"currency_code":"IDR","in_stock":true},{"title":"100g","offer_id":48085966160090,"sku":"TCI2510C001513930","price":1768000.0,"currency_code":"IDR","in_stock":true},{"title":"500g","offer_id":48085966192858,"sku":"TCI2510C001513931","price":4468000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510C0015.jpg?v=1767094558"},{"product_id":"tci2510c001613932","title":"TCI C0016 5872-08-2 (+\/-)-10-Camphorsulfonic Acid","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI C0016 (+\/-)-10-Camphorsulfonic Acid, CAS 5872-08-2, is the racemic form of this strong, solid organic sulfonic acid. It is valued as an easily weighed Brønsted acid catalyst for acetal and ketal formation and cleavage, including protecting-group work on carbohydrate substrates. The compound is also used to form crystalline amine salts and as an ion-pairing additive in chromatographic analysis. AMI Scientific supplies this TCI product in 25 g, 100 g, and 500 g pack sizes; store it tightly closed and protected from moisture.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eZhang et al. (2002). Synthesis and characterization of self-assembled polyaniline nanotubes doped with D-10-camphorsulfonic acid. \u003cem\u003eNanotechnology\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1088\/0957-4484\/13\/6\/311\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1088\/0957-4484\/13\/6\/311\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eYan et al. (1999). Thermoelectric Properties of Alternatively Layered Films of Polyaniline and (±)-10-Camphorsulfonic Acid-Doped Polyaniline. \u003cem\u003eChemistry Letters\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1246\/cl.1999.1217\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1246\/cl.1999.1217\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eZhai et al. (2020). Anti-Corrosive Coating of Carbon-Steel Assisted by Polymer-Camphorsulfonic Acid Embedded within Graphene. \u003cem\u003eCoatings\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.3390\/coatings10090879\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.3390\/coatings10090879\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":"25g","offer_id":48085966225626,"sku":"TCI2510C001613932","price":808000.0,"currency_code":"IDR","in_stock":true},{"title":"100g","offer_id":48085966258394,"sku":"TCI2510C001613933","price":2071000.0,"currency_code":"IDR","in_stock":true},{"title":"500g","offer_id":48085966291162,"sku":"TCI2510C001613934","price":5452000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510C0016.jpg?v=1767094562"},{"product_id":"tci2510c001813936","title":"TCI C0018 2219-31-0 L-Canavanine Sulfate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI C0018 L-Canavanine Sulfate, CAS 2219-31-0, is a non-proteinogenic amino acid found naturally in leguminous plants and supplied here as its sulfate salt. Structurally it is a close analogue of L-arginine, which allows it to compete with arginine in a range of biological processes. This makes it a useful probe in biochemical research, peptide chemistry, plant metabolism studies, and investigations of natural plant defence compounds. AMI Scientific offers this TCI product in a 100 mg pack size, appropriate for laboratory-scale experiments requiring low working concentrations.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"100mg","offer_id":48085966356698,"sku":"TCI2510C001813936","price":2449000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510C0018.jpg?v=1771058480"},{"product_id":"tci2510c002013938","title":"TCI C0020 2082-76-0 Decanoic Anhydride","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eDecanoic Anhydride (TCI C0020, CAS 2082-76-0) is a long-chain fatty acid anhydride used as an acylating reagent in organic synthesis. It introduces a decanoyl group onto alcohols and amines, making it valuable for preparing esters, amides, and lipophilic derivatives. Available in 25 g and 100 g packs, it fits both method development and routine synthetic work. As an acid anhydride, it is moisture sensitive and should be kept tightly closed in a cool, dry place away from bases and oxidising agents.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMárton et al. (2024). Chitosan nanocoatings N-acylated with decanoic anhydride: Hydrophobic, hygroscopic and structural properties. \u003cem\u003eCarbohydrate Polymers\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1016\/j.carbpol.2024.122480\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1016\/j.carbpol.2024.122480\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":"25g","offer_id":48085966455002,"sku":"TCI2510C002013938","price":1894000.0,"currency_code":"IDR","in_stock":true},{"title":"100g","offer_id":48085966487770,"sku":"TCI2510C002013939","price":5276000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510C0020.jpg?v=1768193723"},{"product_id":"tci2510c003413965","title":"TCI C0034 1155-64-2 Nepsilon-Carbobenzoxy-L-lysine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eNepsilon-Carbobenzoxy-L-lysine (TCI C0034, CAS 1155-64-2) is an L-lysine derivative in which the side-chain amino group is protected with a carbobenzoxy (Cbz\/Z) group. This selective protection lets chemists direct coupling reactions to the alpha-amino group during stepwise peptide synthesis. The Cbz group can later be removed by hydrogenolysis, making it a useful partner in orthogonal protection strategies. Supplied in 5 g and 25 g packs, the powder should be kept tightly closed in a cool, dry place and allowed to reach room temperature before opening if stored chilled.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"5g","offer_id":48085967569114,"sku":"TCI2510C003413965","price":784000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48085967601882,"sku":"TCI2510C003413966","price":2702000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510C0034.jpg?v=1768193730"},{"product_id":"tci2510c004513976","title":"TCI C0045 9004-32-4 Carboxymethyl Cellulose Sodium Salt (n=approx. 500)","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eCarboxymethyl Cellulose Sodium Salt (TCI C0045, CAS 9004-32-4, n = approx. 500) is a water-soluble cellulose derivative widely used as a thickener, stabiliser, and polysaccharide substrate. Its carboxymethyl groups give the polymer good water dispersibility and controllable solution viscosity. Laboratories use it for cellulase activity assays, rheology studies, and gel or suspension formulation research. Supplied as a powder in 25 g and 500 g packs, it is hygroscopic and should be kept tightly closed in a cool, dry place, with prepared solutions stored chilled.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCapitani (2000). High field NMR analysis of the degree of substitution in carboxymethyl cellulose sodium salt. \u003cem\u003eCarbohydrate Polymers\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1016\/s0144-8617(99)00173-3\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1016\/s0144-8617(99)00173-3\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eSorokin et al. (2021). A new approach to increasing the equilibrium swelling ratio of the composite superabsorbents based on carboxymethyl cellulose sodium salt. \u003cem\u003eCellulose\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1007\/s10570-021-04326-3\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1007\/s10570-021-04326-3\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eLi et al. (2017). Molecular dynamics simulations of the characteristics of sodium carboxymethyl cellulose with different degrees of substitution in a salt solution. \u003cem\u003eCellulose\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1007\/s10570-017-1364-0\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1007\/s10570-017-1364-0\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":"25g","offer_id":48085967995098,"sku":"TCI2510C004513976","price":431000.0,"currency_code":"IDR","in_stock":true},{"title":"500g","offer_id":48085968027866,"sku":"TCI2510C004513977","price":910000.0,"currency_code":"IDR","in_stock":true}]},{"product_id":"tci2510c004913982","title":"TCI C0049 541-15-1 L-Carnitine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI C0049 L-Carnitine (CAS 541-15-1) is a naturally occurring quaternary ammonium compound central to cellular energy metabolism and long-chain fatty acid transport. It is widely used in biochemical research as an enzyme substrate, an analytical reference material, and a chiral starting material for acyl-carnitine derivatives. The product is supplied by TCI in 5 g and 25 g pack sizes to suit both pilot studies and routine experimental work. Store the material in a tightly closed container in a cool, dry place, and always consult the manufacturer's Safety Data Sheet before handling.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNutrients Editorial Office (2018). Erratum: l-Carnitine Supplementation in Recovery after Exercise; Nutrients 2018, 10, 349. \u003cem\u003eNutrients\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.3390\/nu10050541\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.3390\/nu10050541\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eFischer et al. (2009). Supplementation of L-carnitine in pigs: Absorption of carnitine and effect on plasma and tissue carnitine concentrations. \u003cem\u003eArchives of Animal Nutrition\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1080\/17450390802611636\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1080\/17450390802611636\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eLiemlahi et al. (1996). P.73 Carnitine esters: markers of ‘carnitine insufficiency’in preterm and term neonates. \u003cem\u003eClinical Nutrition\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1016\/s0261-5614(96)80200-7\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1016\/s0261-5614(96)80200-7\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":48085968355546,"sku":"TCI2510C004913982","price":1086000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48085968388314,"sku":"TCI2510C004913983","price":3307000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510C0049.jpg?v=1767094598"}],"url":"https:\/\/amiscientific.com\/en\/collections\/tci-l2-chemical-biology.oembed?page=106","provider":"AMI Scientific","version":"1.0","type":"link"}