7-Oxo-7H-[1,2,4]triazolo[5,1-b][1,3]thiazine-6-carboxylic acid CAS 63612-18-0
| CAS No. | 63612-18-0 |
| Molecular Formula | C6H5N3O3S |
| Molecular Weight | 199.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
7-Oxo-7H-[1,2,4]triazolo[5,1-b][1,3]thiazine-6-carboxylic acid (CAS 63612-18-0) is a high-purity analytical reference standard with the molecular formula C6H5N3O3S and a molecular weight of 199.19 g/mol.
7-Oxo-7H-[1,2,4]triazolo[5,1-b][1,3]thiazine-6-carboxylic acid (C6H5N3O3S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 7-Oxo-7H-[1,2,4]triazolo[5,1-b][1,3]thiazine-6-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H5N3O3S |
| Molecular Weight | 199.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Recommended Standards
- 7H-Purine-2-sulfonamide (CAS 88511-79-9)
- Benzenemethanol, 4-amino-3-(dimethylphosphinyl)- (CAS 2886000-74-2)
- 3-(4-Amino-1,2,5-oxadiazol-3-yl)-2-iminothiazolidin-4-one (CAS 312536-71-3)
- Ethyl (2-aminobenzyl)phosphinate (CAS 31238-61-6)
- tert-butyl 2-oxa-5,8-diazabicyclo[5.2.0]nonane-8-carboxylate (CAS 1823450-17-4)
- trans-2-(3-Hydroxyphenyl)cyclopropanecarboxylic Acid (CAS 731812-28-5)
- 6-Chloro-2-(ethoxycarbonyl)-1H-indole-5-carboxylic acid (CAS 952799-96-1)
- 1-tert-Butyl 2-ethyl 5-bromo-1H-pyrrole-1,2-dicarboxylate (CAS 117657-42-8)
- 1,2-Bis(3-fluorophenyl)-2-hydroxyethan-1-one (CAS 66659-65-2)
- N-Ethyl-3-(phenylsulfonyl)pyrrolidine-1-carboxamide (CAS 1448057-09-7)
- Dimethyl 5,8-dioxo-5,8-dihydronaphthalene-2,3-dicarboxylate (CAS 116896-76-5)
- 2-Amino-4-cyanobenzamide (CAS 63069-51-2)
- Cyclohexyl methyl carbonate (CAS 25066-36-8)
- Semaglutide-d15 (CAS 910463-68-2(non-labelled))
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com