Finasteride Impurity 3-one-4-aza-5-androstene-17β-carboxylate methyl ester CAS 104214-18-8
Purity >95%In StockPharmaceutical Standards
| CAS No. | 104214-18-8 |
| Molecular Formula | C20H29NO3 |
| Molecular Weight | 331.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Finasteride Impurity 3-one-4-aza-5-androstene-17β-carboxylate methyl ester (CAS 104214-18-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H29NO3. Molecular weight: 331.45 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C20H29NO3 |
| Molecular Weight | 331.45 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
Related Finasteride Standards
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Recommended Standards
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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