5-Mercapto-2-methyloxazole-4-carboxamide CAS 83990-20-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 83990-20-9 |
| Molecular Formula | C5H6N2O2S |
| Molecular Weight | 158.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Mercapto-2-methyloxazole-4-carboxamide (CAS 83990-20-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H6N2O2S. Molecular weight: 158.18 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H6N2O2S |
| Molecular Weight | 158.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Mercapto Standards
- 4-Mercapto-N-methyl-1H-1,2,3-triazole-5-carboxamide (CAS 100097-71-0)
- 4-Mercapto-1H-imidazole-5-carbohydrazide (CAS 58413-35-7)
- (1-Ethyl-2-mercapto-1h-imidazol-5-yl)methanol (CAS 98412-27-2)
- 6-Mercapto-2-methylpyrimidine-4(1H)-thione (CAS 59669-44-2)
- 4-Mercapto-1H-imidazole-5-carboximidhydrazide (CAS 83256-03-5)
- 4-Mercapto-1H-1,2,3-triazole-5-carbohydrazide (CAS 113137-62-5)
- 5-Mercapto-4-propyl-4H-[1,2,4]triazol-3-ol (CAS 114252-51-6)
- (4-Ethyl-5-mercapto-4H-1,2,4-triazol-3-yl)methanol (CAS 497854-97-4)
Recommended Standards
- 5-Hydroxy-6-methyl-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 35463-39-9)
- 5-Methoxy-2-thiophenecarboxylic Acid (CAS 29212-22-4)
- 5-Amino-3-methylisothiazole-4-carboxylic acid (CAS 22131-51-7)
- 3-Bromomethyl-6-hydroxy-2-(trifluoromethyl)pyridine (CAS 1227571-91-6)
- 2-((4-Chlorobenzo[d]thiazol-2-yl)(methyl)amino)-N-(5-methylisoxazol-3-yl)acetamide (CAS 1396748-09-6)
- 3-ethynyloxolane (CAS 1100987-19-6)
- 3-(Chloromethyl)-1-ethoxypentane (CAS 859336-44-0)
- 2-Methoxybenzylzinc chloride 0.5 M in Tetrahydrofuran (CAS 312693-15-5)
- {[(3-Chloro-2-fluorophenyl)methyl]sulfanyl}methanimidamide hydrobromide (CAS 1326814-20-3)
- Semaglutide impurity 244(Fmoc-His(Fmoc)-Aib-OH) (CAS CATO-C4X-2226244)
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 13829788188 / jacky.chen@cato-chem.com