3-Methoxy-7β-methyl-estra-2,5(10)-dien-17-one CAS 32297-43-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 32297-43-1 |
| Molecular Formula | C20H28O2 |
| Molecular Weight | 300.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Methoxy-7β-methyl-estra-2,5(10)-dien-17-one (CAS 32297-43-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H28O2. Molecular weight: 300.44 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C20H28O2 |
| Molecular Weight | 300.44 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.) | 1966 |
Related Methoxy Standards
- (17β)-13-Ethyl-3-methoxy-gona-2,5(10),15-trien-17-ol (CAS 119054-15-8)
- 3-Methoxy-17α-methylestra-1,3,5(10)trien-17β-ol (CAS 15236-73-4)
- (7β,17β)-3-Methoxy-7-methyl-estra-1,3,5(10)-trien-17-ol (CAS 153063-86-6)
- (7α,17β)-3-Methoxy-7-methyl-estra-1,3,5(10)-trien-17-ol (CAS 15506-01-1)
- 3-Methoxy-18-methyl-1,3,5(10)-estratrien-17b-ol (CAS 3625-82-9)
- 3-Methoxy-7α-methyl-estra-2,5(10)-dien-17-one (CAS 5210-25-3)
- 5-Methoxy-N-phenyl-4-(trimethylsilyl)nicotinamide (CAS 1105675-62-4)
- 16-Methoxy-16-oxohexadecanoic acid (CAS 18451-85-9)
Recommended Standards
- 3-Methyl-2,2-bis(phenylthio)-2,3-dihydrofuran (CAS 90141-36-9)
- 4,5α-Dihydronorethisterone (CAS 52-79-9)
- 2-Ethyladamantan-2-yl bicyclo[2.2.1]hept-5-ene-2-carboxylate (CAS 328087-87-2)
- 1,1-Dichloromethyl Ether (CAS 20524-86-1)
- 6-Methoxy-3,4-dihydroisoquinolin-1(2H)-one (CAS 22246-12-4)
- 1-(2-(2-Methyl-1h-imidazol-1-yl)phenyl)ethan-1-one (CAS 1019528-48-3)
- Posaconazole Impurity 63 (CAS CATO-C4X-120863)
- 1-Bromo-2-difluoromethoxy-4-fluoro-5-nitrobenzene (CAS 1807196-03-7)
- Vi 16832 (CAS 1430218-51-1)
- Semaglutide Impurity 8 (CAS CATO-C4X-22268)
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