(3α,5β)-Pregnane-3,20,21-triol CAS 2041-77-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2041-77-2 |
| Molecular Formula | C21H36O3 |
| Molecular Weight | 336.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (3α,5β)-Pregnane-3,20,21-triol (CAS 2041-77-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H36O3. Molecular weight: 336.51 g/mol. Batch-specific COA and technical support are available on request.
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.) | 1957 |
Related Pregnane Standards
- 5α-Pregnane-3α,17α-diol-20-one (CAS 6890-65-9)
- 5a-Pregnane-3a,20a-diol (CAS 566-58-5)
- 5α-Pregnane-3β,20(S)-diol (CAS 566-56-3)
- 5β-Pregnane-3β,20(S)-diol (CAS 80-90-0)
- 5Beta-Pregnane-3Alpha,20Alpha-Diol (CAS 80-92-2)
- 5α-Pregnane-3-one-20α-ol (CAS 516-59-6)
- (5α)-Pregnane-3,20-dione Cyclic 20-(1,2-Ethanediyl Acetal) (CAS 1452-23-9)
- Pregnane-d4 (CAS 205529-77-7)
Recommended Standards
- 5α-PREGNAN-3α, 17, 20β-TRIOL (CAS 13933-75-0)
- (4R,4′R)-4,4′,5,5′-Tetrahydro-4,4′-bis(1-propylbutyl)-2,2′-bioxazole (CAS 2094987-84-3)
- 1,3-Diadamantylimidazol-2-ylidene (CAS 131042-77-8)
- 2 5-Dichlorophenylhydrazine-4-Sulfonic Acid (CAS 118-89-8)
- ethyl 2-cyano-4,4-dimethoxybutanoate (CAS 773076-83-8)
- 2-(5-Bromo-6-chloropyridin-3-yl)acetic acid (CAS 1227571-87-0)
- 1-(3-Methoxypropyl)-4-nitropyrazole (CAS 1240572-44-4)
- Tert-butyl (3-carbamothioylphenyl)carbamate (CAS 1340377-65-2)
- (Pyridin-3-ylmethyl)[4-(trifluoromethyl)benzyl]amine (CAS 827329-11-3)
- Insulin Degludec Impurity 13 (CAS CATO-C4X-215713)
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