Cyproterone CAS 2098-66-0
Purity >95%In StockPharmaceutical Standards
| CAS No. | 2098-66-0 |
| Molecular Formula | C22H27ClO3 |
| Molecular Weight | 374.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Cyproterone (CAS 2098-66-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C22H27ClO3. Molecular weight: 374.90 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C22H27ClO3 |
| Molecular Weight | 374.90 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
Related Cyproterone Standards
- Cyproterone Impurity 19 (CAS CATO-C4X-16019)
- Cyproterone Acetate EP Impurity H (CAS 2668-74-8)
- Cyproterone Impurity 6 (CAS 2668-75-9)
- Cyproterone Acetate EP Impurity A (CAS 2701-50-0)
- Cyproterone Impurity 5 (CAS 30337-71-4)
- Cyproterone Impurity 8 (CAS CATO-C4X-16018)
- Cyproterone Acetate EP Impurity J (CAS 15423-97-9)
- Cyproterone Acetate EP Impurity E (CAS 17184-05-3)
Recommended Standards
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- 1-Amino-2-(3,4-dichlorophenyl)propan-2-ol (CAS 1017397-26-0)
- Mianserin impurity 33 (CAS CATO-C4X-136933)
- (5-Chlorothiophen-2-yl)methanamine Hydrochloride (CAS 548772-41-4)
- 3-[Bis(4-fluorophenyl)methyl]-4-hydroxypent-3-en-2-one (CAS 53135-11-8)
- 2-(2-Chlorophenyl)isoquinoline-1,3(2H,4H)-dione (CAS 106110-71-8)
- Tirzepatide Impurity 11 TFA salt (CAS CATO-C4X-324011)
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