(17alpha)-4,17-Dihydroxy-17-methylandrost-4-en-3-one CAS 145841-84-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 145841-84-5 |
| Molecular Formula | C20H30O3 |
| Molecular Weight | 318.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(17alpha)-4,17-Dihydroxy-17-methylandrost-4-en-3-one (CAS 145841-84-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H30O3. Molecular weight: 318.45 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H30O3 |
| Molecular Weight | 318.45 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.) | 1998 |
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Recommended Standards
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- 2-Amino-4-[(2-amino-2-carboxyethyl)sulfanyl]butanoic acid dihydrochloride (CAS 61125-50-6)
- Menaquinone impurity 7 (CAS 523-38-6)
- 3-Methyl-4-nitro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-5-carboxylic acid (CAS 89239-84-9)
- N-(((9H-fluoren-9-yl)methoxy)carbonyl)-N-(pyridin-3-ylmethyl)glycine (CAS 258332-47-7)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
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