Abiraterone Impurity 78 CAS 98449-11-7
| CAS No. | 98449-11-7 |
| Molecular Formula | C26H35NO2 |
| Molecular Weight | 393.56 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C26H35NO2, Abiraterone Impurity 78 contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 393.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies Abiraterone Impurity 78 (CAS 98449-11-7), a pharmacopoeial impurity reference standard (molecular formula C26H35NO2, MW 393.56 g/mol) used for the identification and quantification of trace impurities in APIs.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Abiraterone Impurity 78 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C26H35NO2 |
| Molecular Weight | 393.56 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | ≥95% |
| Storage | Store at 2-8°C, 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
Related Abiraterone Standards
- Abiraterone acetate-D3 (CAS 2122245-10-5)
- Abiraterone Impurity 2 (CAS 2484719-15-3)
- Abiraterone Impurity 7 (CAS CATO-C4X-10707)
- Abiraterone Impurity N3 (CAS 165334-69-0)
- Abiraterone Impurity 14 (CAS 2484719-10-8)
- Abiraterone Acetate (CAS 154229-18-2)
- Abiraterone Impurity N13 (CAS 165334-68-9)
- Abiraterone Impurity 83 (CAS 3100035-71-7)
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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 18665070610 / Nicole.chen@cato-chem.com