(22E)-Ergosta-4,6,8(14),22-tetraen-3-one CAS 19254-69-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19254-69-4 |
| Molecular Formula | C28H40O |
| Molecular Weight | 392.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (22E)-Ergosta-4,6,8(14),22-tetraen-3-one (CAS 19254-69-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C28H40O. Molecular weight: 392.62 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C28H40O |
| Molecular Weight | 392.62 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | 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.) | 1962 |
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Why CATO?
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