17a-Methyl-5a-androstan-3a,17B-diol CAS 641-82-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 641-82-7 |
| Molecular Formula | C20H34O2 |
| Molecular Weight | 306.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 17a-Methyl-5a-androstan-3a,17B-diol (CAS 641-82-7) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C20H34O2. Molecular weight: 306.48 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C20H34O2 |
| Molecular Weight | 306.48 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
- 17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol (CAS 31658-50-1)
- 17α-Methyl-5β-androstane-3α，17β-diol (CAS 641-84-9)
- 1,4-Bis(heptyloxy)benzene (CAS 65128-45-2)
- 3-Bromo-5-methylthieno[2,3-d]pyridazin-4(5H)-one (CAS 1822622-23-0)
- Chloranthalactone E (CAS 73215-92-6)
- 2-(2-Aminothiazol-4-yl)propan-2-ol (CAS 752242-49-2)
- (Z)-3-(2-Ethoxyphenyl)-2-(4-(3-nitrophenyl)thiazol-2-yl)acrylonitrile (CAS 476669-20-2)
- Brivaracetam Impurity 38 (CAS CATO-C4X-200738)
- (4-Chloro-2-(difluoromethyl)-6-(trifluoromethyl)pyridin-3-yl)methanol (CAS 1807028-38-1)
- Acetyl Hexapeptide-38 (CAS 1400634-44-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com