Cyproterone Acetate EP Impurity E CAS 17184-05-3
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 17184-05-3 |
| Molecular Formula | C24H30O5 |
| Molecular Weight | 398.49 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cyproterone Acetate EP Impurity E (CAS 17184-05-3) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C24H30O5. Molecular weight: 398.49 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C24H30O5 |
| Molecular Weight | 398.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
Related Cyproterone Standards
- Cyproterone Acetate EP Impurity J (CAS 15423-97-9)
- Cyproterone Impurity 5 (CAS 30337-71-4)
- Cyproterone Impurity 8 (CAS CATO-C4X-16018)
- Cyproterone Acetate EP Impurity I (CAS 13698-49-2)
- Cyproterone Acetate EP Impurity B (CAS CATO-C4X-16013)
- Cyproterone Acetate EP Impurity A (CAS 2701-50-0)
- Cyproterone Acetate (CAS 427-51-0)
- Cyproterone Acetate-D3 (CAS 427-51-0 (non-labelled))
Recommended Standards
- (1S)-1-[(2R,3R,4R,5S)-3-(benzoyloxy)-4,5-dihydroxy-4-methyloxolan-2-yl]ethyl benzoate (CAS 1638743-98-2)
- Undecanoic acid, 11-[[(1,1-dimethylethoxy)carbonyl]amino]-, 2,5-dioxo-1-pyrrolidinyl ester (CAS 176242-02-7)
- 3'',5,5'-Triallyl-[1,1':3',1''-terphenyl]-2,2',4''-triol (CAS 155709-40-3)
- Ezetimibe Impurity 42 (CAS 189028-95-3)
- Baricitinib Impurity 72 (CAS CATO-C4X-226072)
- tert-Butyl (2-fluoro-4-(hydroxymethyl)phenyl)carbamate (CAS 708261-13-6)
- 22236-08-4 3-(Difluoromethoxy)aniline 3-AMINO-ALPHA,ALPHA-DIFLUOROANISOLE 3-DIFLUOROMETHOXY-PHENYLAMINE AKOS BBV-000549 AS00415 BUTTPARK 45\03-43 OTAVA-BB 1779636 (CAS 22236-08-4)
- 4-Hydroxy Ipratropium Bromide (CAS CATO-C4X-166521)
- 1-[(4-Chlorophenyl)methoxy]-3-[(1E)-(dimethylamino)methylidene]urea (CAS 338781-14-9)
- (Leu31,Pro3?)-Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 132699-73-1)
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