5β-Androst-1-ene-3,17-dione CAS 571-39-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 571-39-1 |
| Molecular Formula | C19H26O2 |
| Molecular Weight | 286.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5β-Androst-1-ene-3,17-dione (CAS 571-39-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H26O2. Molecular weight: 286.41 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H26O2 |
| Molecular Weight | 286.41 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Androst Standards
- 5α-Androst-15-ene-3,17-dione (CAS 127380-69-2)
- 5α-Androst-9(11)-ene-3,17-dione (CAS 15375-19-6)
- 5alpha-Androst-8(14)-ene-3,17-dione (CAS 17305-45-2)
- 13α-Androst-4-ene-3,17-dione (CAS 18485-76-2)
- 2-Methyl-5α-androst-2-en-17-one (CAS 32300-87-1)
- 5B-Androst-1-en-17B-ol-3-one (CAS 10529-96-1)
- 5α-Androst-1-ene-3α-ol-17-one (available to WADA laboratories only) (CAS 38859-37-9)
- 2-Methyl-5α-androst-2-en-17β-ol (CAS 2984-17-0)
Recommended Standards
- 4-ANDROSTEN-3, 16-DIONE (CAS 571-52-8)
- 6-((3,6,7-Trimethylocta-2,6-dien-1-yl)oxy)-2,3-dihydrobenzofuran (CAS 51079-34-6)
- 4-(3-Hydroxy-3-methyloctyl)hexahydro-2H-cyclopenta[b]furan-2,5-diol (CAS 62145-17-9)
- 4-(Difluoromethyl)-1,5-dimethoxynaphthalene (CAS 2149597-07-7)
- 3-Morpholinophenylboronic acid hydrobromide (CAS 2096329-71-2)
- 1-(4-Aminopiperidin-1-yl)butan-1-one hydrochloride (CAS 1235440-40-0)
- 16721-38-3 G7666796PG p-Menth-1-en-3-ol, cis-(+/-)- 2-Cyclohexen-1-ol, 3-methyl-6-(1-methylethyl)-, (1R,6S)-rel- cis-6-(Isopropyl)-3-methylcyclohex-2-en-1-ol EINECS 240-775-4 cis-Piperitol UNII-G7666796PG (CAS 16721-38-3)
- 6-Bromo-N2-methylpyridine-2,3-diamine (CAS 924293-36-7)
- (2-chloroacetyl)-L-glutamic acid (CAS 56576-86-4)
- Semaglutide impurity 38 (CAS CATO-C4X-222638)
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