1983-81-9 2H-1-Benzopyran-2-one,7-dihydroxy- 4,7-Dihydroxycoumarin Coumarin,7-dihydroxy- NSC-136214 NSC136214 CAS 1983-81-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1983-81-9 |
| Molecular Formula | C9H12O4 |
| Molecular Weight | 184.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 1983-81-9 2H-1-Benzopyran-2-one,7-dihydroxy- 4,7-Dihydroxycoumarin Coumarin,7-dihydroxy- NSC-136214 NSC136214 (CAS 1983-81-9) pharmaceutical standards reference standard. Molecular formula: C9H12O4. Molecular weight: 184.19 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C9H12O4 |
| Molecular Weight | 184.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
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