Abiraterone Impurity 21 CAS 1620323-43-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1620323-43-4 |
| Molecular Formula | C27H35NO2 |
| Molecular Weight | 405.57 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Abiraterone Impurity 21 (CAS 1620323-43-4) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C27H35NO2. Molecular weight: 405.57 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C27H35NO2 |
| Molecular Weight | 405.57 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 1 |
Related Abiraterone Standards
- Abiraterone Impurity 6 (CAS 2410075-48-6)
- Abiraterone Acetate 7-Keto Impurity (CAS CATO-C4X-107072)
- Abiraterone Acetate N-Oxide (CAS 2517964-85-9)
- Abiraterone Impurity 10 (CAS CATO-C4X-107010)
- Abiraterone Impurity 11 (CAS CATO-C4X-107011)
- Abiraterone Impurity 4 (CAS 2484719-26-6)
- Abiraterone Impurity 5 (CAS 2484719-11-9)
- Abiraterone Impurity 61 (CAS 1868064-50-9)
Recommended Standards
- 288262-62-4 n-20:4 l-serine meester (CAS 288262-62-4)
- Vilanterol Impurity 85 (CAS CATO-C4X-193585)
- N-4-Methoxyphenylretinamide (CAS 79965-10-9)
- Bromfenac Impurity 35 (CAS CATO-C4X-200235)
- Fluocinolone Acetonide EP Impurity J (CAS 1361531-95-4)
- 2-Aminodipyrido[1,2-a:3',2’-d]imidazole Dihydrochloride (CAS 1980075-70-4)
- Mirabegron Impurity 143 (CAS CATO-C4X-1032143)
- 3-(Ethylthio)phenol (CAS 1074-44-8)
- 2-({4-[Acetyl(methyl)amino]anilino}carbonyl)cyclohexanecarboxylic acid (CAS 899589-78-7)
- Galanin (1-13)-Neuropeptide Y (25-36) amide (CAS 147138-51-0)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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