| CAS No. | 125583-07-5 |
| Molecular Formula | C28H16O8 |
| Molecular Weight | 480.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
PEntacyclo[19.3.1.13,7.19,13.115,19]octacosa-3,7,9,13,15,17,21,23-octaene-5,11,17,23,25,26,27,28-octone (CAS 125583-07-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C28H16O8. Molecular weight: 480.42 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
| Molecular Formula | C28H16O8 |
| Molecular Weight | 480.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |