(3α,5α,11α)-3,11-Dihydroxypregnan-20-one CAS 38398-44-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 38398-44-6 |
| Molecular Formula | C21H34O3 |
| Molecular Weight | 334.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3α,5α,11α)-3,11-Dihydroxypregnan-20-one (CAS 38398-44-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H34O3. Molecular weight: 334.49 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H34O3 |
| Molecular Weight | 334.49 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.) | 1967 |
Related Dihydroxypregnan Standards
Recommended Standards
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- Methyl 2-amino-2-(3,5-dichlorophenyl)acetate (CAS 1137825-73-0)
- Ethyl 2-chloro-4,6-dimethoxybenzoate (CAS 1397181-13-3)
- Semaglutide impurity 46 (CAS CATO-C4X-222646)
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