Ethyl 2-(2-chlorobenzamido)-7-oxo-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate CAS 331760-66-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 331760-66-8 |
| Molecular Formula | C18H16ClNO4S |
| Molecular Weight | 377.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 2-(2-chlorobenzamido)-7-oxo-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 331760-66-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H16ClNO4S. Molecular weight: 377.84 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H16ClNO4S |
| Molecular Weight | 377.84 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- Ethyl 2-(4-chlorobenzamido)-7-oxo-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 299962-45-1)
- Ethyl 2-(2-chlorobenzamido)-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylate (CAS 312949-43-2)
- (R)-2-(4-Chlorobenzamido)-3-(2-oxo-1,2-dihydroquinolin-4-yl)propanoic acid (CAS 111911-90-1)
- 5-(4-Chlorobenzamido)-4-cyano-N,N-diethyl-3-methylthiophene-2-carboxamide (CAS 419558-74-0)
- 3-(4-Chlorobenzamido)-4-ethoxybenzenesulfonyl chloride (CAS 680618-29-5)
- 5-(4-Chlorobenzamido)-2-ethoxybenzenesulfonyl chloride (CAS 680617-88-3)
- Ethyl 2-(2-chlorobenzamido)-4-phenylthiophene-3-carboxylate (CAS 331760-72-6)
- Ethyl 2-(4-chlorobenzamido)-4-phenylthiophene-3-carboxylate (CAS 77261-20-2)
Recommended Standards
- 5-(4-Chlorophenyl)-3-hydroxy-1-(2-methoxyethyl)-4-(thiophene-2-carbonyl)-1H-pyrrol-2(5H)-one (CAS 371142-69-7)
- (2E)-3-{4-[(2-chloro-6-fluorophenyl)methoxy]phenyl}-N-(3-methoxypropyl)prop-2-enamide (CAS 477870-66-9)
- N-(3-Chloro-4-methoxybenzyl)-4-(4-fluorophenyl)tetrahydro-1(2H)-pyrazinecarboxamide (CAS 866137-32-8)
- 4-Aminobenzoic Acid Ethyl Ester (CAS 94-09-7)
- (5-Methoxy-1H-indazol-3-yl)-acetic acid tert-butyl ester (CAS 1965309-96-9)
- 2-chloroprop-2-ene-1-sulfonyl chloride (CAS 40644-59-5)
- (4-(1H-Pyrrol-1-yl)phenyl)(8-azabicyclo[3.2.1]oct-2-en-8-yl)methanone (CAS 1797904-79-0)
- Benzene, 2,4-dichloro-1-[[(4-methoxyphenyl)methoxy]methyl]- (CAS 1956322-92-1)
- 1-(2-Chloro-6-fluorophenyl)-2,2,2-trifluoroethan-1-one (CAS 1208077-59-1)
- 110207-62-0 Acetyl-Cholecystokinin Octapeptide (2-8) (sulfated) MFCD00133565 (CAS 110207-62-0)
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