Ethyl 5-chloro-2-oxo-2H-chromene-3-carboxylate CAS 70384-83-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 70384-83-7 |
| Molecular Formula | C12H9ClO4 |
| Molecular Weight | 252.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Ethyl 5-chloro-2-oxo-2H-chromene-3-carboxylate (CAS 70384-83-7) pharmaceutical standards reference standard. Molecular formula: C12H9ClO4. Molecular weight: 252.65 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C12H9ClO4 |
| Molecular Weight | 252.65 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Cl-containing |
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Recommended Standards
- Ethyl 5-(4-chlorophenyl)-1,3,4-oxadiazole-2-carboxylate (CAS 68496-88-8)
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- Ethyl 5-(4-chlorophenyl)-1,2,4-oxadiazole-3-carboxylate (CAS 40019-35-0)
- 6-Methyl-2-oxoindoline-4-carbonitrile (CAS 2168724-43-2)
- 3-Cyclopropoxy-2-methoxy-4-(methylthio)pyridine (CAS 1243471-50-2)
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- 2,4-Dichloro-6-ethoxyquinoline (CAS 1447960-17-9)
- Tert-butyl (5-azaspiro[2.3]Hexan-1-yl)carbamate (CAS 1428547-10-7)
- trans-3-Morpholinocyclobutan-1-amine (CAS 2839511-99-6)
- [His]1+12-Semaglutide (CAS CATO-C4X-2226178)
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