4-Aminothiophene-2-carbonitrile hydrochloride CAS 73781-73-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 73781-73-4 |
| Molecular Formula | C5H4N2S HCl |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-Aminothiophene-2-carbonitrile hydrochloride (CAS 73781-73-4) pharmaceutical standards reference standard. Molecular formula: C5H4N2S HCl. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C5H4N2S HCl |
| Molecular Weight | 160.62 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Aminothiophene Standards
- 3-Aminothiophene-2-carboxylic acid hydrochloride (CAS 1016552-72-9)
- 4-Aminothiophene-3-carboxylic acid hydrochloride (CAS 1049777-16-3)
- 5-Aminothiophene-3-carboxylic acid (CAS 116539-01-6)
- Ethyl (2-aminothiophene-3-carbonyl)carbamate (CAS 1171382-99-2)
- Potassium 3-aminothiophene-2-carboxylate (CAS 1210469-45-6)
- 4-Aminothiophene-3-carbonitrile hydrochloride (CAS 121071-72-5)
- 3-Aminothiophene-2-carbonitrile hydrochloride (CAS 122805-71-4)
- 4-Aminothiophene-3-carbaldehyde (CAS 1261658-19-8)
Recommended Standards
- 4-Chloro-6-methoxy-2-methylquinoline-3-carbonitrile (CAS 2090154-49-5)
- 7-methoxy-1H,2H,3H,4H-cyclopenta[b]indole (CAS 89169-57-3)
- Ethyl 5-((phenoxycarbonyl)amino)-1,2,3-thiadiazole-4-carboxylate (CAS 2037-81-2)
- Methyl 6-chloro-3-methylpyrazine-2-carboxylate (CAS 1166831-45-3)
- 2-Fluoro-4-methylbenzeneboronic acid pinacol ester, 97% (CAS 1165936-03-7)
- dimethyl 2-((4R,5S)-5-(2-(benzyloxy)acetyl)-2,2-dimethyl-1,3-dioxolan-4-yl)-2-oxoethylphosphonate (CAS 89291-74-7)
- Semaglutide impurity 331 (CAS CATO-C4X-2226231)
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