| CAS No. | 7758-73-8 |
| Molecular Formula | C15H22O4 |
| Molecular Weight | 266.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO supplies 7758-73-8 2H-1-Benzopyran-2-one, 5,7-dihydroxy-4-phenyl- 5,7-Dihydroxy-4-phenyl-2H-1-benzopyran-2-one (CAS 7758-73-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C15H22O4. Molecular weight: 266.33 g/mol. Batch-specific COA and technical support are available on request.
| Molecular Formula | C15H22O4 |
| Molecular Weight | 266.33 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |