5a-Pregnan-3b,17a-diol-20-one CAS 570-54-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 570-54-7 |
| Molecular Formula | C21H34O3 |
| Molecular Weight | 334.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 5a-Pregnan-3b,17a-diol-20-one (CAS 570-54-7) pharmaceutical standards reference standard. Molecular formula: C21H34O3. Molecular weight: 334.49 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
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.) | 1957 |
Related a Standards
- 5β-PREGNAN-3α, 11β-DIOL-20-ONE (CAS 565-92-4)
- 5β-PREGNAN-3α, 17-DIOL-20-ONE (CAS 570-52-5)
- 5β-PREGNAN-3α, 6α-DIOL-20-ONE (CAS 570-78-5)
- 5α-PREGNAN-17-OL-3, 20-DIONE (CAS 570-59-2)
- 5β-PREGNAN-17-OL-3, 20-DIONE (CAS 570-58-1)
- 5β-PREGNAN-3α, 11β, 20β-TRIOL (CAS 10417-85-3)
- 5β-PREGNAN-3α, 17, 20β-TRIOL (CAS 1165-28-2)
- 5α-PREGNAN-3α, 17, 20β-TRIOL (CAS 13933-75-0)
Recommended Standards
- 4-nitrophenyl 2-chloroacetate (CAS 79328-69-1)
- 5-PREGNEN-3β, 16α, 20α-TRIOL (CAS 3885-13-0)
- 3α,21-Dihydroxy-5α-pregnan-20-one (CAS 567-02-2)
- 5-(Methylsulfonyl)-4-(4-nitrophenyl)-1H-thieno[2,3-c]pyrazol-3-amine (CAS 1707379-13-2)
- Benzoylecgonine D5 (CAS 259526-50-6)
- [(5,6-dihydro-2h-pyran-3-yl)methyl](methyl)amine (CAS 1082041-25-5)
- rel-(3aR,6aS)-6a-Fluoro-3a-(hydroxymethyl)tetrahydro-1H,3H-thieno[3,4-c]furan-1-one (CAS 2786775-10-6)
- 5-(tert-Butyl) 3a-ethyl 1-benzyltetrahydropyrrolo[3,4-b]pyrrole-3a,5(1H,4H)-dicarboxylate (CAS 2007920-01-4)
- 3-methylquinolin-7-ol (CAS 851985-87-0)
- Liraglutide-d8 Tetratrifluoroacetate (CAS 204656-20-2 (non-labelled, free base))
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