5α-PREGNAN-3β, 17, 20β-TRIOL CAS 520-86-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 520-86-5 |
| Molecular Formula | C21H36O3 |
| Molecular Weight | 336.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5α-PREGNAN-3β, 17, 20β-TRIOL (CAS 520-86-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C21H36O3. Molecular weight: 336.51 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
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 PREGNAN Standards
- 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)
- 5-b-Pregnan-3-a,11-a-,20-b-triol (CAS 55647-22-8)
- 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
- 5-Butyl-2-(4-(trans-4-propylcyclohexyl)phenyl)pyrimidine (CAS 98495-18-2)
- Allopregnanolone Impurity 1 (CAS 2220-64-6)
- Furan-2-ylmethyl palmitate (CAS 95668-36-3)
- 4-methyl-3-(3-methylbutoxy)aniline hydrochloride (CAS 1333710-52-3)
- 3,3'-(2,4,8,10-Tetraoxaspiro[5.5]Undecane-3,9-diyl)dipropanenitrile (CAS 3058-04-6)
- 1-(4,6-Dimethylquinazolin-2-yl)guanidine (CAS 5361-20-6)
- 2,2-Dimethylpiperazine-1,4-diol (CAS 118176-37-7)
- 6-Methyl-2-(2-oxopropyl)-2,3-dihydropyridazin-3-one (CAS 412018-59-8)
- N-((2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)methyl)-4-methoxybenzamide (CAS 477885-91-9)
- Tirzepatide Impurity 48 (CAS CATO-C4X-324048)
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