| CAS No. | 1259-86-5 |
| Molecular Formula | C25H34O10 |
| Molecular Weight | 494.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
(S)-(1R,2R,3R,3aS,3a1S,4R,6aR,7aS,11S,11aS,11bR)-1,2,11-Trihydroxy-3,8,11a-trimethyl-5,10-dioxo-2,3,3a,4,5,6a,7,7a,10,11,11a,11b-dodecahydro-1H-1,3a1-(epoxymethano)dibenzo[de,g]chromen-4-yl 2-hydroxy-2-methylbutanoate (CAS 1259-86-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C25H34O10. Molecular weight: 494.53 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
| Molecular Formula | C25H34O10 |
| Molecular Weight | 494.53 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |