N-(4-amino-2-chlorophenyl)thiophene-2-carboxamide CAS 305357-99-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 305357-99-7 |
| Molecular Formula | C11H9ClN2OS |
| Molecular Weight | 252.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
N-(4-amino-2-chlorophenyl)thiophene-2-carboxamide (CAS 305357-99-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H9ClN2OS. Molecular weight: 252.72 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H9ClN2OS |
| Molecular Weight | 252.72 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- Methyl 5-(4-chlorophenyl)thiophene-2-carboxylate (CAS 649569-56-2)
- Thiacloprid (CAS 111988-49-9)
- Methyl 3-(4-chlorophenyl)thiophene-2-carboxylate (CAS 22099-15-6)
- trans-2-methylcyclohexanamine;hydrochloride (CAS 39558-31-1)
- Cefoperazone EP Impurity E (HCl) (CAS 57399-61-8)
- (S)-tert-Butyl 3-(pyrazin-2-yloxy)pyrrolidine-1-carboxylate (CAS 1314356-31-4)
- 2-Propenoic acid, 2-methyl-, methyl ester, polymer with 1,3-butadiene, ethenylbenzene, 2-ethylhexyl 2-propenoate and 2-propenenitrile (CAS 41585-11-9)
- N,N-bis(2-chloroethyl)methanesulfonamide (CAS 54533-09-4)
- 1-(6-Chloropyridazin-3-yl)-4-(3,4-diethoxyphenyl)-3-methyl-1,4,5,7-tetrahydro-6H-pyrazolo[3,4-b]pyridin-6-one (CAS 1144477-23-5)
- Semaglutide impurity 290 (CAS CATO-C4X-2226290)
Why CATO?
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