5α-PREGNAN-3α, 17, 20β-TRIOL CAS 13933-75-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 13933-75-0 |
| Molecular Formula | C21H36O3 |
| Molecular Weight | 336.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5α-PREGNAN-3α, 17, 20β-TRIOL (CAS 13933-75-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H36O3. Molecular weight: 336.51 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H36O3 |
| Molecular Weight | 336.51 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
Related PREGNAN Standards
- 5β-PREGNAN-3α, 11β, 20β-TRIOL (CAS 10417-85-3)
- 5β-PREGNAN-3α, 17, 20β-TRIOL (CAS 1165-28-2)
- 5-b-Pregnan-3-a,11-a-,20-b-triol (CAS 55647-22-8)
- 5α-PREGNAN-3β, 17, 20β-TRIOL (CAS 520-86-5)
- 5β-Pregnan-3α,21-diol-20-one-17α,21,21-d3 (CAS 72205-58-4)
- 5a-Pregnan-3b,17a-diol-20-one (CAS 570-54-7)
- 5β-PREGNAN-3α, 11β-DIOL-20-ONE (CAS 565-92-4)
- 5β-PREGNAN-3α, 17-DIOL-20-ONE (CAS 570-52-5)
Recommended Standards
- 1,3-Diadamantylimidazol-2-ylidene (CAS 131042-77-8)
- (3α,5β)-Pregnane-3,20,21-triol (CAS 2041-77-2)
- Methyl 5-chloro-3-iodo-1H-indazole-6-carboxylate (CAS 1227270-79-2)
- 4-tert-Butyl-2-nitroaniline (CAS 6310-19-6)
- (S)-1-(2-fluoro-6-(trifluoromethyl)phenyl)ethan-1-amine (CAS 1241679-82-2)
- Genistein-d4 (4-hydroxyphenyl-2,3,5,6-d4) (CAS 187960-08-3)
- 2-Benzylhexahydro-1H-pyrido[1,2-a]pyrazin-7(2H)-one (CAS 134334-40-0)
- 4-Methoxybenzo[d]thiazole-2-carbonitrile (CAS 7267-30-3)
- 3-Bromo-6-(bromomethyl)-2-methylpyridine (CAS 123094-75-7)
- Semaglutide impurity 50 (CAS 2773558-66-8)
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