3,17-Dihydroxy-16-methyl-(3β,16β)-pregn-5-en-20-one CAS 13900-61-3
| CAS No. | 13900-61-3 |
| Molecular Formula | C22H34O3 |
| Molecular Weight | 346.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C22H34O3, 3,17-Dihydroxy-16-methyl-(3β,16β)-pregn-5-en-20-one contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 346.50 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
3,17-Dihydroxy-16-methyl-(3β,16β)-pregn-5-en-20-one (CAS 13900-61-3) is a high-purity analytical reference standard with the molecular formula C22H34O3 and a molecular weight of 346.50 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3,17-Dihydroxy-16-methyl-(3β,16β)-pregn-5-en-20-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C22H34O3 |
| Molecular Weight | 346.50 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
Related Dihydroxy Standards
- 3β,17-Dihydroxy-16α-methyl-pregn-5-en-20-one (CAS 4927-26-8)
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Recommended Standards
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