5-Amino-4-isothiazolecarboxamide CAS 1421637-53-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1421637-53-7 |
| Molecular Formula | C4H5N3OS |
| Molecular Weight | 143.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 5-Amino-4-isothiazolecarboxamide (CAS 1421637-53-7) pharmaceutical standards reference standard. Molecular formula: C4H5N3OS. Molecular weight: 143.17 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C4H5N3OS |
| Molecular Weight | 143.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 4-Amino-2-thiouracil (CAS 1004-40-6)
- 6-Amino-4-hydroxy-2-mercaptopyrimidine (CAS 106651-79-0)
- 4-Amino-6-mercaptopyrimidin-2-ol (CAS 1073-82-1)
- 5-Amino-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 155-14-6)
- 1-(5-Amino-1,2,4-thiadiazol-3-yl)ethanone (CAS 98259-38-2)
- 1-(5-Amino-1,3,4-thiadiazol-2-yl)ethanone (CAS 98259-37-1)
- 2-Amino-6-mercaptopyrimidin-4(1H)-one (CAS 6973-81-5)
- 6-amino-2-thioxo-2,5-dihydropyrimidin-4(3H)-one (CAS 42985-76-2)
Recommended Standards
- 5-Aminothiazole-2-carboxamide (CAS 134983-33-8)
- 3-Methyl-1,2,4-thiadiazole-5-carboxamide (CAS 1448078-67-8)
- 3-Methyl Isonicotinic Acid-d6 (CAS 1346599-31-2)
- 4-(Tert-butyl)-N-(4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)benzamide (CAS 917748-53-9)
- 4-Bromo-6-chloronicotinonitrile (CAS 1354021-07-0)
- 4,4,5,5-Tetramethyl-2-propyl-1,3,2-dioxaborolane (CAS 67562-19-0)
- 4-(4-(Benzyloxy)-2-methylbenzoyl)-1-(2-(diethylamino)ethyl)-3-hydroxy-5-(thiophen-2-yl)-1H-pyrrol-2(5H)-one (CAS 488708-02-7)
- 2-Chloro-4-methylthiazole (CAS 26847-01-8)
- (1,1-Dimethylethyl)[[(1S,3R)-1-[(1E)-2-iodoethenyl]-3-methylheptyl]oxy]dimethyl-silane (CAS 83009-49-8)
- Semaglutide impurity 33 (CAS CATO-C4X-222633)
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