5α-ANDROSTAN-3β-OL-7, 17-DIONE CAS 49643-99-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 49643-99-4 |
| Molecular Formula | C19H28O3 |
| Molecular Weight | 304.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5α-ANDROSTAN-3β-OL-7, 17-DIONE (CAS 49643-99-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H28O3. Molecular weight: 304.42 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H28O3 |
| Molecular Weight | 304.42 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
Related ANDROSTAN Standards
- 5α-ANDROSTAN-17β-OL-3, 6-DIONE (CAS 899-39-8)
- 5α-ANDROSTAN-17β-OL-3, 7-DIONE (CAS 55541-91-8)
- 5α-ANDROSTAN-3β-OL-11, 17-DIONE (CAS 7090-90-6)
- 5β-ANDROSTAN-3, 11, 17-TRIONE (CAS 1429-06-7)
- 5α-ANDROSTAN-3, 6, 17-TRIONE (CAS 2243-05-2)
- 5β-ANDROSTAN-3α, 17β-DIOL-11-ONE (CAS 1158-94-7)
- 5β-ANDROSTAN-3α, 16α-DIOL-17-ONE (CAS 14167-50-1)
- 5α-ANDROSTAN-11α, 17β-DIOL-3-ONE (CAS 25788-56-1)
Recommended Standards
- 6alpha-Hydroxytestosterone (CAS 2944-87-8)
- 8-Oxo-8-(4-pentylphenyl)octanoic acid (CAS 898791-51-0)
- 9,10,16-Trihydroxyhexadecanoic acid (CAS 6949-98-0)
- 4-[4-(trifluoromethyl)phenyl]-1H-imidazol-2-amine (CAS 37148-87-1)
- Ethyl 5-Bromopyrrole-2-carboxylate (CAS 740813-37-0)
- n-Methyl-1-(5-phenylisoxazol-3-yl)methanamine (CAS 852431-02-8)
- Ethyl 2-oxo-2H-chromene-4-carboxylate (CAS 4825-95-0)
- 2-(3-Chlorophenyl)-2-iodoacetophenone (CAS 898784-03-7)
- N-methyldihexylamine (CAS 37615-53-5)
- Des-Pro36-Tirzepatide (CAS CATO-CPTD788937)
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