{"title":"Purine Alkaloids","description":"\u003cp\u003e\u003cstrong\u003ePurine Alkaloids\u003c\/strong\u003e — mencakup senyawa turunan purin terhidroksilasi dan termetilasi seperti xantin, asam urat, serta derivat teofilin yang secara struktural berkerabat dengan basa nukleotida purin alami. Kelompok ini banyak dipelajari dalam kimia heterosiklik dan biokimia metabolisme purin.\u003c\/p\u003e\u003cp\u003eSenyawa dalam kategori ini digunakan sebagai standar analitik dan bahan awal sintesis pada riset metabolisme purin, termasuk jalur pembentukan dan penguraian asam urat pada model biokimia. Turunan seperti 8-bromoteofilin dan aminofilin juga dipakai sebagai perantara sintesis untuk memodifikasi struktur inti purin dalam studi hubungan struktur-aktivitas, sementara teofilol dimanfaatkan sebagai bahan uji pada penelitian turunan xantin.\u003c\/p\u003e\u003cp\u003eContoh produk dalam koleksi ini: \u003ca href=\"\/en\/products\/tci2510x000456691\"\u003eTCI X0004 69-89-6 Xanthine\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510c029314340\"\u003eTCI C0293 85-18-7 8-Chlorotheophylline\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510t364655308\"\u003eTCI T3646 5415-44-1 1,3,7-Trimethyluric Acid\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510c110315516\"\u003eTCI C1103 74409-52-2 1-(3-Chloropropyl)theobromine\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510t294154426\"\u003eTCI T2941 652-37-9 Theophylline-7-acetic Acid\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510c204216676\"\u003eTCI C2042 58-08-2 Caffeine\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510b34569366\"\u003eTCI B3456 10381-75-6 8-Bromotheophylline\u003c\/a\u003e, \u003ca href=\"\/en\/products\/tci2510d360023930\"\u003eTCI D3600 479-18-5 7-(2,3-Dihydroxypropyl)theophylline\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003ePerhatikan derajat metilasi dan posisi substituen pada cincin purin, bentuk kristal atau hidrat, serta kemurnian analitik yang dibutuhkan untuk aplikasi standar referensi. 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 Alkaloids, sering dipakai bersamaan dalam satu alur kerja laboratorium:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l4-indole-alkaloids\"\u003eIndole Alkaloids\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l4-phenylethylamine-alkaloids\"\u003ePhenylethylamine Alkaloids\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l4-quinoline-alkaloids\"\u003eQuinoline Alkaloids\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l4-alkaloids-other\"\u003eAlkaloids (Other)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l4-piperidine-alkaloids\"\u003ePiperidine Alkaloids\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/tci-l4-tropane-alkaloids\"\u003eTropane Alkaloids\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eKembali ke \u003ca href=\"\/en\/collections\/tci-l3-alkaloids\"\u003eAlkaloids\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":"tci2510c029314340","title":"TCI C0293 85-18-7 8-Chlorotheophylline","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI C0293 8-Chlorotheophylline (CAS 85-18-7) is a chlorinated xanthine derivative listed under alkaloid biochemicals and reagents. It is closely related to theophylline and is frequently referenced in medicinal chemistry research, salt-form preparation, and analytical method development for purine compounds. Its acidic character makes it a practical partner for forming salts with amine bases in laboratory-scale formulation studies. AMI Scientific supplies this TCI reagent in 25 g and 250 g packs for research and laboratory use only.\u003c\/p\u003e\n\u003ch3\u003eScientific References\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGabhe et al. (2011). Isolation and characterization of impurities present in 8-chlorotheophylline. \u003cem\u003eIndian Journal of Pharmaceutical Sciences\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.4103\/0250-474x.89762\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.4103\/0250-474x.89762\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eJIN et al. (1993). ChemInform Abstract: Reaction Between 8‐Chlorotheophylline and Epoxides. A Simple Preparation of Oxazolido(2,3‐f)purines.. \u003cem\u003eChemInform\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.1002\/chin.199310270\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.1002\/chin.199310270\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eA. Abdul‐Reda et al. (2018). Synthesis, Identification and Biological Activity of Some New Chalcone derivatives from 8-Chlorotheophylline. \u003cem\u003eOriental Journal of Chemistry\u003c\/em\u003e \u003ca href=\"https:\/\/doi.org\/10.13005\/ojc\/340144\" target=\"_blank\" rel=\"nofollow noopener\"\u003edoi:10.13005\/ojc\/340144\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":48085986115802,"sku":"TCI2510C029314340","price":1389000.0,"currency_code":"IDR","in_stock":true},{"title":"250g","offer_id":48085986148570,"sku":"TCI2510C029314341","price":5982000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510C0293.jpg?v=1769180306"},{"product_id":"tci2510c110315516","title":"TCI C1103 74409-52-2 1-(3-Chloropropyl)theobromine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI C1103 1-(3-Chloropropyl)theobromine (CAS 74409-52-2) is a xanthine derivative built on the purine alkaloid theobromine scaffold. The primary chloropropyl side chain acts as a convenient leaving group for nucleophilic substitution with amines, thiols and other nucleophiles. This makes the compound an efficient intermediate for assembling more elaborate xanthine derivatives in research settings. AMI Scientific supplies this TCI product in a 25 g pack, with lot specifications documented in the official Certificate of Analysis.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"25g","offer_id":48086048833754,"sku":"TCI2510C110315516","price":5805000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510C1103.jpg?v=1769144514"},{"product_id":"tci2510c204216676","title":"TCI C2042 58-08-2 Caffeine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eCaffeine, with CAS number 58-08-2, is a well-known alkaloid widely used in scientific experiments. As a fundamental compound in the field of biochemistry, caffeine plays a crucial role in various laboratory applications. Its complex chemical structure and pharmacological properties make it a valuable tool for researchers. In the laboratory, caffeine is often used as a starting material for the synthesis of other compounds or as a control substance in biological activity assays. Its presence in natural products such as coffee, tea, and soft drinks also makes it a familiar compound for study and analysis.\u003c\/p\u003e\n\u003cp\u003eCaffeine is favored for its chemical stability and resistance to heat, which simplifies storage and handling in laboratory settings. It dissolves well in organic solvents like ethyl acetate and ethanol, making it suitable for separation and analytical procedures. These properties contribute to its popularity in both chemical and biochemical experiments. Additionally, caffeine is non-toxic and readily available, making it a practical choice for a wide range of research applications. Its versatility and reliability have established it as a staple in many scientific laboratories.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, caffeine is particularly relevant in pharmaceutical, biochemical, and environmental research. It is frequently used in studies related to drug development, metabolic processes, and environmental contamination. Its presence in both natural and synthetic forms allows for diverse experimental approaches, supporting a broad spectrum of scientific inquiry.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePharmaceutical Research\u003c\/strong\u003e: Caffeine is used to study its effects on human physiology and its role in drug formulations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiochemical Analysis\u003c\/strong\u003e: It serves as a standard compound for chromatographic and spectroscopic analysis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Toxicology\u003c\/strong\u003e: Caffeine is used to assess the presence and impact of contaminants in water and soil samples.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeuroscience Studies\u003c\/strong\u003e: It is employed to investigate its effects on central nervous system activity in experimental models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetabolic Studies\u003c\/strong\u003e: Caffeine is used to study its metabolism and excretion in biological systems, aiding in understanding drug kinetics.\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: 58-08-2\u003c\/li\u003e\n\u003cli\u003eCategory: Life Science \u0026gt; Biochemicals and Reagents \u0026gt; Alkaloids\u003c\/li\u003e\n\u003cli\u003ePack Sizes: Available in various quantities as per standard laboratory requirements\u003c\/li\u003e\n\u003cli\u003ePhysical Form: Crystalline solid\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\u003eCaffeine should be stored in a cool, dry environment, away from direct sunlight and moisture to maintain its chemical integrity. It is recommended to use airtight containers made of glass or high-density polyethylene to prevent contamination and degradation. Due to its solubility in organic solvents, it is important to ensure that storage containers are sealed properly. In laboratory settings, caffeine should be handled with standard safety precautions, including the use of gloves and appropriate ventilation. Its non-toxic nature allows for relatively safe handling, but care should still be taken to avoid inhalation or ingestion. Proper storage and handling ensure the longevity and reliability of caffeine in experimental applications.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"25g","offer_id":48086098051290,"sku":"TCI2510C204216676","price":455000.0,"currency_code":"IDR","in_stock":true},{"title":"500g","offer_id":48086098084058,"sku":"TCI2510C204216677","price":1591000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510C2042.jpg?v=1768193800"},{"product_id":"tci2510d360023930","title":"TCI D3600 479-18-5 7-(2,3-Dihydroxypropyl)theophylline","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e7-(2,3-Dihydroxypropyl)theophylline is a xanthine derivative formed by attaching a dihydroxypropyl chain to the nitrogen at position seven of the theophylline skeleton. The compound belongs to the purine alkaloid group and is catalogued under biochemicals and life science reagents. In the laboratory it is used as a reference material, as a test substance for pharmacological work, and as a study material in formulation research, because the xanthine skeleton has long been associated with airway smooth muscle relaxation activity and phosphodiesterase inhibition in basic research.\u003c\/p\u003e\n\u003cp\u003eThe characteristic that makes this compound a frequent choice is the diol group on its side chain. The two hydroxyl groups increase the hydrophilic character of the molecule compared with theophylline itself, so its solubility in aqueous media is considerably better. This property is a real advantage when researchers need to prepare stock solutions for biological assays, dissolution testing, or chromatographic analysis without depending on large volumes of organic solvent. The conjugated xanthine skeleton also gives a distinctive ultraviolet absorbance, so the compound is easy to monitor with a UV detector on an HPLC system or with a spectrophotometer.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this material fits the routine work of university research groups, pharmaceutical quality control units, and analytical service laboratories that handle xanthine derivatives. Its good aqueous solubility simplifies sample preparation in settings where organic solvent handling is kept to a minimum, and its clear UV absorbance suits the HPLC and spectrophotometer instrumentation that is already standard equipment in most local analytical and formulation laboratories.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAnalytical reference standard — the distinctive ultraviolet absorbance of the xanthine skeleton allows straightforward identification and quantification using UV detection on HPLC systems or a spectrophotometer.\u003c\/li\u003e\n\u003cli\u003ePharmacological screening — the compound serves as a test substance in basic research on phosphodiesterase inhibition and airway smooth muscle relaxation associated with the xanthine framework.\u003c\/li\u003e\n\u003cli\u003eFormulation development studies — the diol side chain improves hydrophilic character, making the material suitable for formulation research where aqueous behaviour of a xanthine derivative is being examined.\u003c\/li\u003e\n\u003cli\u003eDissolution testing — much better solubility in aqueous media than theophylline itself lets researchers prepare and study dissolution samples without relying on large volumes of organic solvent.\u003c\/li\u003e\n\u003cli\u003eStock solution preparation for biological assays — the two hydroxyl groups support dissolution in aqueous buffer systems, simplifying preparation of working solutions for cell-based and enzymatic 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\u003eCatalogue code: D3600\u003c\/li\u003e\n\u003cli\u003eCAS number: 479-18-5\u003c\/li\u003e\n\u003cli\u003eCategory: Life Science \u0026gt; Biochemicals and Reagents \u0026gt; Alkaloids\u003c\/li\u003e\n\u003cli\u003ePack sizes: available in the standard catalogue pack sizes offered by TCI for this product\u003c\/li\u003e\n\u003cli\u003eStorage: store according to 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 place, away from direct sunlight, moisture, and incompatible chemicals, following the storage conditions stated on the manufacturer's label and safety data sheet. Keep the material in its original container or in a clean, well-sealed glass or chemically compatible plastic vessel that is clearly labelled with the substance name and CAS number. Handle the compound in a well-ventilated area or a fume hood, and wear standard personal protective equipment including a laboratory coat, safety glasses, and suitable gloves. Avoid generating dust, avoid contact with skin and eyes, and use clean, dry spatulas when weighing to prevent contamination of the stock. Consult the safety data sheet before use and dispose of residues in accordance with local laboratory waste regulations.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"25g","offer_id":48086628925658,"sku":"TCI2510D360023930","price":960000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510D3600.jpg?v=1767106278"},{"product_id":"tci2510d430224860","title":"TCI D4302 69975-86-6 Doxofylline","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI D4302 is Doxofylline, a xanthine derivative that is structurally related to theophylline but carries a dioxolane group at a ring nitrogen position. The compound is classified as an alkaloid within the biochemicals and reagents category, and it is known in pharmacology as a bronchodilator of the methylxanthine class. In the laboratory, reagent-grade material of this kind is used as a reference substance for analytical method development, formulation research, and basic pharmacological studies, rather than for use in humans or animals without appropriate ethical approval.\u003c\/p\u003e\n\u003cp\u003eThe property that makes this compound important to laboratories is its clearly defined xanthine skeleton together with the dioxolane group that distinguishes it from theophylline, allowing the substance to serve as a structural comparator in structure-activity relationship studies. As a xanthine derivative, it possesses carbonyl groups and ring nitrogens that give characteristic ultraviolet absorption, which is highly useful for detection in high performance liquid chromatography as well as in spectrophotometry. Its moderate solubility in aqueous media and polar organic solvents simplifies the preparation of standard solutions for calibration curves, and reagent-grade purity supports consistent, reproducible measurements.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, material of this grade is typically found in pharmaceutical quality control units, analytical chemistry laboratories, university research groups, and formulation development facilities. It is generally handled as a reference material for method validation and comparative work, prepared in small quantities as stock and working standards. Use is confined to research and analytical settings, and any biological or pharmacological investigation is expected to follow the relevant ethical and institutional approvals that apply to the work being carried out.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAnalytical method development, where the defined xanthine skeleton and characteristic ultraviolet absorption allow reliable peak identification and detector response during HPLC method setup.\u003c\/li\u003e\n\u003cli\u003eReference standard preparation for calibration curves, since moderate solubility in aqueous media and polar organic solvents makes accurate stock and working solutions straightforward to prepare.\u003c\/li\u003e\n\u003cli\u003eStructure-activity relationship studies, because the dioxolane group distinguishes this compound from theophylline and provides a useful structural comparator within the methylxanthine series.\u003c\/li\u003e\n\u003cli\u003eFormulation research, where reagent-grade material of consistent quality supports comparative experiments on solubility behaviour and compatibility during early development work in the laboratory.\u003c\/li\u003e\n\u003cli\u003eBasic pharmacological research on methylxanthine bronchodilators, conducted strictly within research settings and subject to the ethical approvals required for any biological or animal 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: 69975-86-6\u003c\/li\u003e\n\u003cli\u003eCategory: Life Science \u0026gt; Biochemicals and Reagents \u0026gt; Alkaloids\u003c\/li\u003e\n\u003cli\u003eCompound class: xanthine derivative, classified as an alkaloid\u003c\/li\u003e\n\u003cli\u003ePack sizes: available in standard TCI catalogue pack sizes; please confirm the required quantity when ordering\u003c\/li\u003e\n\u003cli\u003eStorage: keep in the closed original container 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 area, protected from direct sunlight, moisture, and sources of heat or ignition, and follow the storage conditions stated on the manufacturer's label and safety data sheet. Keep the material in its original container or in a chemically compatible, clearly labelled glass or high-density polyethylene vessel. Handle the solid in a fume hood or well-ventilated area to avoid generating dust, and wear a laboratory coat, safety glasses, and suitable chemical-resistant gloves. Weigh out only the amount required, close the container promptly to limit moisture uptake, and consult the safety data sheet before use. Dispose of residues and contaminated materials as chemical waste in accordance with institutional and local regulations.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"1g","offer_id":48086686073050,"sku":"TCI2510D430224860","price":2297000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48086686105818,"sku":"TCI2510D430224861","price":6966000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510D4302.jpg?v=1769141978"},{"product_id":"tci2510d569626671","title":"TCI D5696 611-59-6 1,7-Dimethylxanthine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI D5696 1,7-Dimethylxanthine is a xanthine-class alkaloid compound widely known as paraxanthine, the principal metabolite of caffeine in the human body. The material is supplied as a pure, reagent-grade substance, allowing it to be treated as a reference material in biochemistry, pharmacology, and analytical chemistry laboratories. Its role at the bench is highly specific: it serves as both an identity comparator and a quantitative comparator whenever researchers need to confirm that a peak appearing on a chromatogram genuinely originates from paraxanthine rather than from caffeine, theophylline, or theobromine, whose underlying structures are closely similar.\u003c\/p\u003e\n\u003cp\u003eThe characteristic that makes this compound the preferred choice is the placement of its methyl groups at positions 1 and 7 of the xanthine core, which produces a distinctive ultraviolet absorption pattern and mass spectrometric fragmentation pattern that can be distinguished from those of the other dimethylxanthine isomers. As an alkaloid solid, the material is stable enough to be weighed and dissolved into a stock solution, which makes the preparation of graded calibration series straightforward. It is precisely this clarity of identity that gives the material its value: a single correct comparator compound determines data quality far more decisively than almost any other variable in the workflow.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this material fits naturally into the daily routine of university research groups, pharmacology departments, and analytical service units that work with caffeine metabolism and related xanthine compounds. It is typically weighed out to build stock and working solutions, then carried through chromatographic and spectrometric runs as the identity and quantity reference. Because a reliable comparator underpins every subsequent number reported, it occupies a small but decisive place on the reagent shelf.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChromatographic identity confirmation: run alongside unknown samples so that a suspected paraxanthine peak can be matched against a known comparator rather than assigned by retention time alone.\u003c\/li\u003e\n\u003cli\u003eCalibration series preparation: weighed accurately and dissolved into a stock solution, then diluted stepwise to build the graded standard curve that quantitative measurements of paraxanthine depend upon.\u003c\/li\u003e\n\u003cli\u003eCaffeine metabolism studies: used as the authentic reference for the principal human metabolite of caffeine, letting pharmacology researchers track and confirm metabolic conversion with a defined comparator.\u003c\/li\u003e\n\u003cli\u003eIsomer discrimination work: its methyl groups at positions 1 and 7 give ultraviolet and mass fragmentation patterns distinguishable from theophylline, theobromine, and caffeine in mixed samples.\u003c\/li\u003e\n\u003cli\u003eAnalytical method development and verification: serves as the known input against which a newly built or revised analytical procedure is checked for correct response, separation, and identification.\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: 611-59-6\u003c\/li\u003e\n\u003cli\u003eCategory: Life Science \u0026gt; Biochemicals and Reagents \u0026gt; Alkaloids\u003c\/li\u003e\n\u003cli\u003ePack Sizes: available in the standard TCI catalogue pack sizes for this item; please confirm the specific pack when ordering.\u003c\/li\u003e\n\u003cli\u003ePhysical Form: solid (alkaloid)\u003c\/li\u003e\n\u003cli\u003eStorage: store according to the conditions 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 container closed and protected from moisture and direct light, in a cool, dry place consistent with the conditions stated on the manufacturer's label. Keep the material in its original tightly sealed container, or transfer it to a clean, chemically compatible glass vial with a secure closure if aliquots are prepared. Handle the solid in a well-ventilated area or a fume hood, using gloves, safety glasses, and a laboratory coat, and avoid generating or inhaling dust during weighing. Allow a cold container to reach room temperature before opening to prevent condensation. Label all prepared stock and working solutions clearly with the compound identity and preparation date, and consult the supplier's safety data sheet before first use.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"25mg","offer_id":48086775496922,"sku":"TCI2510D569626671","price":2929000.0,"currency_code":"IDR","in_stock":true},{"title":"100mg","offer_id":48086775529690,"sku":"TCI2510D569626672","price":7143000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510D5696.jpg?v=1768818494"},{"product_id":"tci2510d616927214","title":"TCI D6169 944-73-0 1,3-Dimethyluric Acid","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e1,3-Dimethyluric Acid is a chemical compound widely used in chemical and biochemical experiments. It plays a crucial role in laboratory settings, particularly in research involving alkaloids and organic compound metabolism. This compound serves as a key reagent or building block in the synthesis of complex molecules, contributing to various scientific investigations. Its presence is essential in studies that require precise chemical reactions and controlled environments. Due to its versatility, it is a valuable asset in both academic and industrial research.\u003c\/p\u003e\n\u003cp\u003eThe compound is favored for its stable chemical properties and controlled reactivity, making it suitable for a wide range of applications. Its molecular structure allows for specific interactions with other compounds under controlled conditions, enhancing its utility in synthetic processes. Additionally, its resistance to degradation ensures long-term storage and consistent performance in experiments. These characteristics make it a reliable choice for laboratories requiring high precision and accuracy in their work.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, 1,3-Dimethyluric Acid is commonly used in chemical, pharmaceutical, and biotechnology research. It is frequently found in experiments related to alkaloid synthesis and chemical reactions that require specific reagents. Its availability in the market supports ongoing scientific activities, ensuring that researchers have access to a high-quality compound for their experiments.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAlkaloid Synthesis: 1,3-Dimethyluric Acid is ideal for alkaloid synthesis due to its molecular structure that facilitates specific chemical interactions.\u003c\/li\u003e\n\u003cli\u003eOrganic Compound Metabolism Studies: It is used in research on organic compound metabolism because of its stability and controlled reactivity.\u003c\/li\u003e\n\u003cli\u003eBiochemical Reactions: The compound is suitable for biochemical reactions requiring precise reagents with predictable behavior.\u003c\/li\u003e\n\u003cli\u003eDrug Development Research: Its use in pharmaceutical research supports the development of new compounds with specific chemical properties.\u003c\/li\u003e\n\u003cli\u003eChemical Synthesis Experiments: It serves as a building block for the synthesis of complex molecules in various chemical 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: 944-73-0\u003c\/li\u003e\n\u003cli\u003eCategory: Life Science \u0026gt; Biochemicals and Reagents \u0026gt; Alkaloids\u003c\/li\u003e\n\u003cli\u003ePack sizes: Available in standard laboratory quantities\u003c\/li\u003e\n\u003cli\u003ePhysical form: Solid powder\u003c\/li\u003e\n\u003cli\u003eStorage note: Store in a cool, dry place away from direct sunlight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003e1,3-Dimethyluric Acid should be stored in a cool, dry place, away from direct sunlight and moisture. It is recommended to keep it in a sealed container to prevent contamination and maintain its chemical integrity. Due to its stable nature, it does not require refrigeration but should be protected from environmental factors that could affect its purity. In laboratory settings, it is important to handle the compound with care, using appropriate personal protective equipment. Regular inspection of storage conditions ensures the compound remains suitable for use in experiments. Proper labeling and organization of storage areas help maintain a safe and efficient laboratory environment.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"250mg","offer_id":48086794338522,"sku":"TCI2510D616927214","price":5174000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510D6169.jpg?v=1767109843"},{"product_id":"tci2510d633627379","title":"TCI D6336 523-87-5 Dimenhydrinate","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eDimenhydrinate (523-87-5) is a chemical compound widely used in laboratory experiments, particularly in the fields of bio-pharmaceuticals and organic chemistry. As an alkaloid derived from specific plant sources, it exhibits antihistaminic properties, making it a valuable reagent for various scientific applications. Its chemical stability and solubility in organic solvents such as ethyl acetate and ethanol further enhance its utility in laboratory settings. This compound is commonly used as a starting material for the synthesis of other compounds or in biological activity assays.\u003c\/p\u003e\n\u003cp\u003eDimenhydrinate is preferred due to its stable chemical properties and ease of availability. It dissolves well in organic solvents, which simplifies its use in analytical procedures. Its molecular structure is well-defined, allowing for accurate identification through techniques like UV-Vis spectroscopy and chromatography. These characteristics make it a reliable and versatile reagent for researchers working in biochemistry and pharmacology. The compound's consistent performance and compatibility with various analytical methods contribute to its popularity in scientific research.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, Dimenhydrinate is frequently used in pharmacological, pharmaceutical, and organic chemistry research. It plays a key role in drug development and clinical testing, supporting studies aimed at understanding its biological effects and therapeutic potential. Its presence in research institutions highlights its importance in advancing scientific knowledge and innovation in the field of medicinal chemistry.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePharmacological research utilizes Dimenhydrinate to study antihistaminic effects and drug interactions in biological systems.\u003c\/li\u003e\n\u003cli\u003eOrganic chemistry experiments often employ it as a starting material for the synthesis of complex molecules and derivatives.\u003c\/li\u003e\n\u003cli\u003eBiochemical assays use Dimenhydrinate to evaluate its biological activity and potential therapeutic applications.\u003c\/li\u003e\n\u003cli\u003ePharmaceutical development incorporates it in the formulation of drugs and the testing of new compounds for efficacy.\u003c\/li\u003e\n\u003cli\u003eAnalytical chemistry relies on Dimenhydrinate for its solubility and stability, making it suitable for spectroscopic and chromatographic analysis.\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: 523-87-5\u003c\/li\u003e\n\u003cli\u003eCategory: Life Science \u0026gt; Biochemicals and Reagents \u0026gt; Alkaloids\u003c\/li\u003e\n\u003cli\u003ePack sizes: Available in various quantities as per standard laboratory requirements\u003c\/li\u003e\n\u003cli\u003ePhysical form: Solid powder\u003c\/li\u003e\n\u003cli\u003eStorage note: Store in a cool, dry place away from direct sunlight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eDimenhydrinate should be stored in a cool, dry place, away from direct sunlight and moisture. It is recommended to keep the compound in a sealed container to prevent exposure to air and humidity. Suitable storage containers include glass or plastic vessels with tight-fitting lids. Due to its chemical stability, it does not require refrigeration under normal conditions. In laboratory settings, it is important to handle Dimenhydrinate with care, using appropriate personal protective equipment when necessary. Proper labeling and storage practices ensure the compound remains safe and effective for use in research applications.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"5g","offer_id":48086802792666,"sku":"TCI2510D633627379","price":1742000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48086802825434,"sku":"TCI2510D633627380","price":6082000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510D6336.jpg?v=1768205182"},{"product_id":"tci2510h040232947","title":"TCI H0402 519-37-9 Etofylline","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eEtofylline is a chemical compound classified under the alkaloid category, widely utilized in scientific experiments related to biochemistry. As a derivative of theophylline, it exhibits distinct pharmacological properties that make it valuable for research purposes. In the laboratory, Etofylline serves as a key reagent for the synthesis of various compounds and is frequently employed in studies examining the effects of stimulants on the nervous system. Its role extends to pharmacological and biochemical investigations, where it helps in understanding the mechanisms of action of stimulant compounds.\u003c\/p\u003e\n\u003cp\u003eEtofylline is known for its chemical stability under normal conditions, which simplifies its storage and long-term use. This stability ensures that the compound retains its quality over time, making it a reliable choice for repeated experiments. Additionally, Etofylline is non-toxic in small doses and does not readily react with other chemical substances, enhancing its safety profile in laboratory settings. These characteristics make it a preferred reagent for researchers aiming for consistent and reproducible results.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, Etofylline is commonly used in pharmacological, biochemical, and health sciences research. It plays a crucial role in experiments involving the testing of stimulant effects, especially in studies related to neurological and physiological responses. Its availability and reliability have made it a standard component in many research protocols across various scientific disciplines in Indonesia.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePharmacological research utilizes Etofylline to study stimulant effects on neural pathways and neurotransmitter activity.\u003c\/li\u003e\n\u003cli\u003eBiochemical experiments often employ Etofylline in the synthesis of complex organic compounds and in enzyme activity assays.\u003c\/li\u003e\n\u003cli\u003eHealth sciences research incorporates Etofylline to investigate its potential therapeutic applications in respiratory and neurological disorders.\u003c\/li\u003e\n\u003cli\u003eNeurological studies use Etofylline to explore its impact on central nervous system function and stimulant-induced responses.\u003c\/li\u003e\n\u003cli\u003eToxicology experiments benefit from Etofylline’s stability and non-toxicity, allowing for safe and controlled exposure studies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 519-37-9\u003c\/li\u003e\n\u003cli\u003eCategory: Life Science \u0026gt; Biochemicals and Reagents \u0026gt; Alkaloids\u003c\/li\u003e\n\u003cli\u003ePack sizes: Available in various quantities as per standard laboratory supply\u003c\/li\u003e\n\u003cli\u003ePhysical form: Solid powder\u003c\/li\u003e\n\u003cli\u003eStorage note: Store in a cool, dry place away from direct sunlight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eEtofylline should be stored in a cool, dry environment to maintain its chemical stability and prevent degradation. It is recommended to keep the compound in a tightly sealed container to avoid moisture absorption and contamination. Since Etofylline is non-toxic in small doses, it poses minimal risk during routine handling, but standard laboratory safety protocols should still be followed. It is advisable to store it away from incompatible substances to prevent unintended chemical reactions. Proper labeling and secure storage are essential to ensure safe access and usage in laboratory settings.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"25g","offer_id":48087202005210,"sku":"TCI2510H040232947","price":1742000.0,"currency_code":"IDR","in_stock":true},{"title":"500g","offer_id":48087202037978,"sku":"TCI2510H040232948","price":11711000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510H0402.jpg?v=1769180878"},{"product_id":"tci2510h143034283","title":"TCI H1430 603-00-9 Proxyphylline","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eProxyphylline is a xanthine derivative, part of the purine alkaloid family that also includes caffeine and theophylline. Structurally, it is theophylline carrying a 2-hydroxypropyl group on one of its nitrogen atoms, which gives it solubility behaviour distinct from its parent compound. In the laboratory, this material is generally used as a reference material or comparison compound in analytical work and biochemical research, as well as a test substance in basic pharmacological studies examining how xanthine derivatives behave toward biological systems.\u003c\/p\u003e\n\u003cp\u003eThe properties that make it a preferred choice are the clarity of its chemical identity and the consistency of its quality as a research-grade material. As a xanthine derivative, the compound carries a purine chromophore that produces characteristic ultraviolet absorption, making it readily detectable by high-performance liquid chromatography and by spectrophotometry — a practical advantage when developing analytical methods. The addition of the hydroxypropyl group improves its solubility in water compared with theophylline, which simplifies the preparation of stock solutions and serial standard solutions without relying on organic solvents in large proportions.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, this material is typically encountered in analytical and biochemical research settings where a well-characterised xanthine derivative is needed as a comparison standard. It supports method development work in chromatography and spectrophotometry, and serves as a test compound in fundamental pharmacological studies of purine alkaloids. Its research-grade consistency makes it suitable for academic, institutional, and laboratory-based investigative work where reproducible reference behaviour matters.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReference standard preparation — its clearly defined chemical identity and consistent research-grade quality make it reliable for preparing comparison standards used in routine analytical work.\u003c\/li\u003e\n\u003cli\u003eHPLC method development — the purine chromophore gives characteristic ultraviolet absorption, allowing straightforward detection and peak identification when establishing and validating chromatographic separation methods.\u003c\/li\u003e\n\u003cli\u003eUltraviolet spectrophotometric analysis — the distinctive UV absorption of the xanthine ring structure supports direct spectrophotometric measurement and calibration curve construction in quantitative laboratory procedures.\u003c\/li\u003e\n\u003cli\u003eBasic pharmacological research — serves as a test substance in fundamental studies examining how xanthine derivatives interact with and behave toward biological systems under controlled conditions.\u003c\/li\u003e\n\u003cli\u003eBiochemical comparison studies — as a structural relative of caffeine and theophylline, it functions as a comparison compound in research exploring purine alkaloid structure and behaviour.\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: 603-00-9\u003c\/li\u003e\n\u003cli\u003eCategory: Life Science \u0026gt; Biochemicals and Reagents \u0026gt; Alkaloids\u003c\/li\u003e\n\u003cli\u003eProduct code: H1430\u003c\/li\u003e\n\u003cli\u003ePack sizes: available in standard TCI research-scale packaging; please confirm the required size when ordering\u003c\/li\u003e\n\u003cli\u003eStorage: keep in a tightly closed container in a cool, dry place away from direct light\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and Storage\u003c\/h3\u003e\n\u003cp\u003eStore the container tightly closed in a cool, dry, well-ventilated area, protected from direct sunlight and away from sources of heat or ignition. Keep the material in its original supplier container wherever possible, or transfer it only to clean, chemically compatible, clearly labelled containers with secure closures. Handle the substance in a well-ventilated laboratory space or fume hood, and wear appropriate personal protective equipment including a laboratory coat, gloves, and safety eyewear. Avoid generating or inhaling dust during weighing and transfer operations. Keep containers closed when not in use to limit exposure to moisture and atmospheric contaminants, and always consult the manufacturer's safety data sheet before handling.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"5g","offer_id":48087289856218,"sku":"TCI2510H143034283","price":1289000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48087289888986,"sku":"TCI2510H143034284","price":3937000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510H1430.jpg?v=1768205567"},{"product_id":"tci2510m207340202","title":"TCI M2073 1076-22-8 3-Methylxanthine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e3-Methylxanthine is a chemical compound classified under heterocyclic building blocks, commonly used in various chemical reactions for the synthesis of complex compounds. This material plays a crucial role in laboratory settings by serving as a foundational component in the development of bioactive substances. Its structural similarity to caffeine and theobromine makes it a valuable tool in pharmacological and organic chemistry research. In the lab, it is often used as a precursor for creating compounds with specific biological activities, contributing to drug discovery and development.\u003c\/p\u003e\n\u003cp\u003eThe chemical properties of 3-Methylxanthine make it a preferred choice for researchers. It exhibits stability under certain conditions, which simplifies storage and handling. Additionally, its ability to act as an electron donor in specific chemical reactions enhances its utility in synthetic pathways. These characteristics allow it to be integrated into a wide range of experimental designs, making it a versatile reagent in both academic and industrial research environments.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, 3-Methylxanthine is widely utilized in pharmaceutical, organic chemistry, and biochemical studies. Its availability, quality, and compatibility with various experimental requirements make it a top choice for researchers. The compound’s reliability and consistent performance support its application in diverse scientific investigations, contributing to the advancement of chemical research in the region.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePharmaceutical research utilizes 3-Methylxanthine for synthesizing compounds with therapeutic potential due to its structural similarity to caffeine and theobromine.\u003c\/li\u003e\n\u003cli\u003eOrganic chemistry experiments benefit from its stability and reactivity, allowing for the creation of complex molecular structures through controlled chemical reactions.\u003c\/li\u003e\n\u003cli\u003eBiochemical studies employ this compound to investigate its biological activity and potential applications in drug development and metabolic pathways.\u003c\/li\u003e\n\u003cli\u003eAnalytical chemistry applications leverage its chemical properties for the development of standardized reagents and calibration standards.\u003c\/li\u003e\n\u003cli\u003eIndustrial research and development use 3-Methylxanthine as a building block for the production of specialty chemicals and pharmaceutical intermediates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: TCI\u003c\/li\u003e\n\u003cli\u003eCAS number: 1076-22-8\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: As available from supplier\u003c\/li\u003e\n\u003cli\u003ePhysical form: Solid (as per standard product description)\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\u003e3-Methylxanthine should be stored in a cool, dry environment, away from direct sunlight and moisture to maintain its chemical stability. It is recommended to use airtight containers to prevent exposure to humidity and contaminants. Laboratory personnel should handle the compound with care, using appropriate personal protective equipment such as gloves and safety goggles. While it is generally stable under normal storage conditions, it should be kept in a secure location to prevent accidental spills or contamination. Proper labeling of storage containers is essential to ensure safe handling and easy identification. These precautions help maintain the integrity of the compound and ensure safe laboratory practices.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"5g","offer_id":48087646273754,"sku":"TCI2510M207340202","price":934000.0,"currency_code":"IDR","in_stock":true},{"title":"25g","offer_id":48087646306522,"sku":"TCI2510M207340203","price":2979000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510M2073.jpg?v=1767125999"},{"product_id":"tci2510m243240699","title":"TCI M2432 6136-37-4 1-Methylxanthine","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e1-Methylxanthine is a chemical compound belonging to the xanthine family, structurally similar to caffeine and theophylline. It serves as a fundamental building block in chemical research, particularly in the synthesis of heterocyclic compounds and bioactive molecules. This compound is widely used in laboratories to construct complex molecular structures with pharmacological or biochemical activity. Its role as a core component in organic synthesis makes it a valuable tool for chemists and researchers working on drug development and material science.\u003c\/p\u003e\n\u003cp\u003e1-Methylxanthine is chemically stable and exhibits controlled reactivity, making it suitable for a wide range of chemical reactions. It dissolves well in organic solvents such as ethyl acetate and ethanol, facilitating easy dissolution and reaction processes. Its resistance to decomposition ensures consistency in experimental results, which is crucial for reproducibility in scientific research. These properties make it a preferred choice for synthetic chemists who require reliable and stable reagents.\u003c\/p\u003e\n\u003cp\u003eIn Indonesian laboratories, 1-Methylxanthine is commonly used in chemical and pharmaceutical research, especially in the development of new compounds with biological activity. It plays a key role in academic and industrial settings where the synthesis of complex molecules is required. Its availability and reliability make it an essential component in the chemical supply chain supporting scientific innovation in Indonesia.\u003c\/p\u003e\n\u003ch3\u003eLaboratory Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUsed in the synthesis of heterocyclic compounds due to its structural similarity to xanthine derivatives, enabling the creation of complex molecular frameworks.\u003c\/li\u003e\n\u003cli\u003eApplied in pharmaceutical research for the development of bioactive molecules with potential therapeutic applications.\u003c\/li\u003e\n\u003cli\u003eUtilized in organic chemistry experiments where controlled reactivity and stability are essential for successful reactions.\u003c\/li\u003e\n\u003cli\u003eEmployed in academic laboratories for teaching and research purposes, providing students with hands-on experience in synthetic chemistry.\u003c\/li\u003e\n\u003cli\u003eIntegrated into drug discovery programs to explore new compounds with pharmacological properties and biological activity.\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: 6136-37-4\u003c\/li\u003e\n\u003cli\u003eCategory: Chemistry \u0026gt; Building Blocks \u0026gt; Heterocyclic Building Blocks\u003c\/li\u003e\n\u003cli\u003ePack sizes: Available in various sizes as per standard chemical supply specifications\u003c\/li\u003e\n\u003cli\u003ePhysical form: Solid (as per standard product description)\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\u003e1-Methylxanthine should be stored in a cool, dry place, away from direct light and moisture to maintain its chemical stability. It is recommended to use airtight containers to prevent exposure to humidity and air, which could affect its integrity. Since it is a solid, it should be kept in a secure location that is inaccessible to unauthorized personnel. Proper labeling of containers is essential to ensure safe handling and prevent accidental use. In laboratory settings, it is important to follow standard safety protocols, including the use of personal protective equipment when handling the compound. Regular inspection of storage conditions ensures the compound remains in optimal condition for use in experiments.\u003c\/p\u003e","brand":"TCI","offers":[{"title":"50mg","offer_id":48087686611162,"sku":"TCI2510M243240699","price":2071000.0,"currency_code":"IDR","in_stock":true},{"title":"200mg","offer_id":48087686643930,"sku":"TCI2510M243240700","price":5579000.0,"currency_code":"IDR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7156\/8602\/files\/TCI2510M2432.jpg?v=1767126617"},{"product_id":"tci2510p235948179","title":"TCI P2359 606-04-2 Pamabrom","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eTCI P2359 Pamabrom is an equimolar salt mixture of 8-bromotheophylline and 2-amino-2-methyl-1-propanol. Its active component, 8-bromotheophylline, is a xanthine derivative that is structurally related to theophylline and caffeine, which is why TCI lists it among its alkaloid biochemicals. Pamabrom is known as a mild diuretic and is often found in over-the-counter preparations for relieving premenstrual symptoms. In the laboratory, it serves as a standard or research material for analytical work and experimental pharmacology.\u003c\/p\u003e\n\u003cp\u003eLaboratories choose pamabrom for its specific role as the diuretic active ingredient in combination formulations, where it is often paired with analgesics such as paracetamol. This role makes it an important reference material when developing and validating multicomponent analytical methods. Its brominated xanthine structure gives it a distinctive chromatographic profile and UV spectroscopic character, so analysts can readily tell it apart from other formulation components. As a quality research material from TCI, pamabrom gives a consistent reference point for identity, assay, and stability testing across repeated analytical runs.\u003c\/p\u003e\n\u003cp\u003eIn Indonesia, pamabrom is relevant to pharmaceutical analysis laboratories at universities, to pharmaceutical product development laboratories, and to quality control units that test combination formulations. Researchers working on multicomponent dosage forms can use it to build and verify HPLC or UV-based methods, while pharmacology groups can use it in experimental studies of xanthine-type diuretics. 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Follow any specific storage temperature on the TCI label or Safety Data Sheet. Once opened, reseal the container promptly to keep out humidity and contamination. Wear standard laboratory personal protective equipment when handling the material, including gloves, safety glasses, and a lab coat. Avoid creating or breathing in dust, and weigh the material in a ventilated area or fume hood. Label working solutions clearly, record preparation dates, and dispose of waste according to institutional and local chemical waste regulations. 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