Cyproterone Acetate EP Impurity C CAS 17183-98-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 17183-98-1 |
| Molecular Formula | C24H30Cl2O4 |
| Molecular Weight | 453.40 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cyproterone Acetate EP Impurity C (CAS 17183-98-1) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C24H30Cl2O4. Molecular weight: 453.40 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C24H30Cl2O4 |
| Molecular Weight | 453.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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.) | 1961 |
| Halogen Content | Cl-containing |
Related Cyproterone Standards
- Cyproterone Acetate EP Impurity G (CAS 23814-84-8)
- Cyproterone Acetate EP Impurity D (CAS CATO-C4X-16012)
- Cyproterone Acetate Impurity 2 (CAS 65423-26-9)
- Cyproterone Impurity 11 (CAS CATO-C4X-160111)
- Cyproterone Acetate-D3 (CAS 427-51-0 (non-labelled))
- Cyproterone Acetate (CAS 427-51-0)
- Cyproterone Acetate EP Impurity B (CAS CATO-C4X-16013)
- Cyproterone Acetate EP Impurity I (CAS 13698-49-2)
Recommended Standards
- 3-(6-Bromo-1-oxoisoindolin-2-yl)-1-((2-(trimethylsilyl)ethoxy)methyl)piperidine-2,6-dione (CAS 2731006-70-3)
- 2,2,2-Trifluoro-N-(5,6,7,10-tetrahydro-1,2,3,9-tetramethoxy-10-oxobenzo[a]heptalen-7-yl)acetamide (CAS 102491-72-5)
- 3-(5-Bromo-1-oxoisoindolin-2-yl)-1-((2-(trimethylsilyl)ethoxy)methyl)piperidine-2,6-dione (CAS 2409004-53-9)
- Osimertinib Impurity 107 (CAS CATO-C4X-2045107)
- Benserazide Impurity 9 (CAS CATO-C4X-14279)
- 4-(Quinolin-6-yl)butan-2-ol (CAS 1498142-58-7)
- 10-Bromo-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine-2-carboxamide (CAS 1401304-15-1)
- 1-((2-Chloro-4-nitrophenyl)amino)anthracene-9,10-dione (CAS 62322-93-4)
- 5,7-Dibromo-2,3-dihydrothieno[3,4-β][1,4]dioxine (CAS 174508-31-7)
- Semaglutide Impurity 3 (CAS CATO-C4X-22263)
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