Brivaracetam Impurity 41 CAS CATO-C4X-200741
| CAS No. | CATO-C4X-200741 |
| Molecular Formula | C12H19NO3 |
| Molecular Weight | 225.28 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H19NO3, Brivaracetam Impurity 41 contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 225.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a process- or degradation-related impurity, Brivaracetam Impurity 41 (CAS CATO-C4X-200741, C12H19NO3) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
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.
As a certified reference material (CRM), Brivaracetam Impurity 41 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C12H19NO3 |
| Molecular Weight | 225.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 1 |
Related Brivaracetam Standards
- Brivaracetam Impurity 190 (CAS CATO-C4X-2007190)
- Brivaracetam Impurity 43 (CAS CATO-C4X-200743)
- Brivaracetam Impurity 46 (CAS 2432911-31-2)
- Brivaracetam Impurity 48 (CAS 2232201-72-6)
- Brivaracetam Impurity 81 (CAS CATO-C4X-200781)
- Brivaracetam Impurity 61 (CAS CATO-C4X-200761)
- Brivaracetam Impurity 78 (CAS CATO-C4X-200778)
- Brivaracetam Impurity 82 (CAS CATO-C4X-200782)
Recommended Standards
- Bisoprolol Impurity 120 (CAS 62340-37-8)
- Ruxolitinib Impurity 228 (CAS CATO-C4X-2058228)
- Terbutaline Impurity 24 (CAS CATO-C4X-118324)
- Perospirone Impurity 36 (CAS CATO-C4X-245836)
- Nicardipine Impurity 68 (CAS CATO-C4X-171068)
- Tafluprost Impurity 8 (CAS 209860-88-8)
- Dalbavancin Impurity 30 (CAS CATO-C4X-160230)
- (4S)-tert-Butyl 4-(fluoromethyl)-1,2,3-oxathiazolidine-3-carboxylate 2-oxide (CAS 2476762-40-8)
- 4-((4-Bromo-1,3-dimethyl-1H-pyrazol-5-yl)methyl)morpholine (CAS 1355178-97-0)
- 19-Methoxy-19-oxononadecanoic acid (CAS 72849-43-5)
- Triethyl(trifluoromethyl)silane (CAS 120120-26-5)
- 3-(3-Bromophenyl)-2-chloro-4-fluoropropiophenone (CAS 898760-61-7)
- Omeprazole acid methyl ester sulfide (CAS 120003-82-9)
- Semaglutide impurity 68 (CAS CATO-C4X-222668)
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