Brivaracetam Impurity 52 CAS CATO-C4X-200752
| CAS No. | CATO-C4X-200752 |
| Molecular Formula | C17H20N2O3 |
| Molecular Weight | 300.35 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Brivaracetam Impurity 52 (CAS CATO-C4X-200752) is a certified pharmaceutical impurity reference standard with the molecular formula C17H20N2O3 and a molecular weight of 300.35 g/mol.
Structurally, Brivaracetam Impurity 52 (C17H20N2O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 300.35 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C17H20N2O3 |
| Molecular Weight | 300.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 2 |
Related Brivaracetam Standards
- Brivaracetam Impurity 113 (CAS CATO-C4X-2007113)
- Brivaracetam Impurity 210 (CAS CATO-C4X-2007210)
- Brivaracetam Impurity 30 (CAS CATO-C4X-200730)
- Brivaracetam Impurity 59 (CAS CATO-C4X-200759)
- Brivaracetam Impurity 211 (CAS CATO-C4X-2007211)
- Brivaracetam Impurity 15 (CAS 2432911-32-3)
- Brivaracetam Impurity 208 (CAS CATO-C4X-2007208)
- Brivaracetam Impurity 55 (CAS CATO-C4X-200755)
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- Rosuvastatin Impurity 103 (CAS CATO-C4X-1169103)
- Pcb No. 142 (CAS 41411-61-4)
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- Verapamil EP Impurity A DiHCl (CAS 63434-11-7)
- Chloroac-Ile-OH (E-1840.0025) (CAS 67253-30-9)
- Bromo-PEG6-azide (CAS 2062663-64-1)
- (Pro30,Tyr32,Leu34)-Neuropeptide Y (28-36) (CAS 161650-01-7)
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