| CAS No. | 42011-78-9 |
| Molecular Formula | C18H24O5 |
| Molecular Weight | 320.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
14,16-Dihydroxy-3-methyl-3,4,5,6,9,10,11,12-octahydro-1H-benzo[c][1]oxacyclotetradecine-1,7(8H)-dione (CAS 42011-78-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H24O5. Molecular weight: 320.38 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
| Molecular Formula | C18H24O5 |
| Molecular Weight | 320.38 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |