Methyl 3-(2-oxo-2H-chromene-3-carboxamido)thiophene-2-carboxylate CAS 328270-77-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 328270-77-5 |
| Molecular Formula | C16H11NO5S |
| Molecular Weight | 329.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 3-(2-oxo-2H-chromene-3-carboxamido)thiophene-2-carboxylate (CAS 328270-77-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H11NO5S. Molecular weight: 329.33 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C16H11NO5S |
| Molecular Weight | 329.33 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 |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- Methyl 2-(3-hydroxy-6-oxo-1,6-dihydropyridazin-1-yl)-5-phenyl-1,3-thiazole-4-carboxylate (CAS 531495-03-1)
- N-(5-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-1,3,4-oxadiazol-2-yl)thiophene-2-carboxamide (CAS 851094-50-3)
- Ethyl (5-amino-3-(4-fluorophenyl)-1,2-dihydropyrido[3,4-b]pyrazin-7-yl)carbamate (CAS 82585-95-3)
- 6-Bromo-8-chloroquinolin-4(1H)-one (CAS 1153084-25-3)
- (Z)-{2,2,2-trifluoro-1-[1-(4-fluorophenyl)-5-(4-methanesulfonylphenyl)-2-methyl-1H-pyrrol-3-yl]ethylidene}amino 3-(trifluoromethyl)benzoate (CAS 860788-02-9)
- 2-chloro-2-fluoro-cyclopropanecarboxylic acid (CAS 137081-42-6)
- 3-(4-oxo-3,4-dihydroquinazolin-3-yl)propanoic acid (CAS 25818-88-6)
- 4-Methylbicyclo[2.2.1]heptane-1-carboxylic acid (CAS 952403-56-4)
- 4-(N-Cyclohexyl-N-methylsulfamoyl)-N-phenylbenzamide (CAS 683265-58-9)
- Semaglutide impurity 66 (CAS CATO-C4X-222666)
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