Brivaracetam Impurity 170 CAS CATO-C4X-2007170
| CAS No. | CATO-C4X-2007170 |
| Molecular Formula | C10H19BrO2 |
| Molecular Weight | 251.16 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, Brivaracetam Impurity 170 is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 251.16 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Brivaracetam Impurity 170 (CAS CATO-C4X-2007170) is a certified pharmaceutical impurity reference standard with the molecular formula C10H19BrO2 and a molecular weight of 251.16 g/mol.
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.
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.
Physical & Chemical Properties
| Molecular Formula | C10H19BrO2 |
| Molecular Weight | 251.16 g/mol |
| Purity | ≥95% |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| Halogen Content | Br-containing |
Related Brivaracetam Standards
- Brivaracetam Impurity 167 (CAS CATO-C4X-2007167)
- Brivaracetam Impurity 191 (CAS CATO-C4X-2007191)
- Brivaracetam Impurity 181 (CAS CATO-C4X-2007181)
- Brivaracetam Impurity 207 (CAS CATO-C4X-2007207)
- Brivaracetam Impurity 127 (CAS 2052297-74-0)
- Brivaracetam Impurity 153 (CAS CATO-C4X-2007153)
- Brivaracetam Impurity 148 (CAS CATO-C4X-2007148)
- Brivaracetam Impurity 49 (CAS CATO-C4X-200749)
Recommended Standards
- 10-bromanyldecanoic acid 10-bromodecanoic acid 50530-12-6 A828154 (CAS 50530-12-6)
- Bempedoic Acid Impurity 36 (CAS CATO-C4X-218936)
- 2-Methoxy-4-(2-bromoethyl)anisole 3,4-Dimethoxy-1-(2-bromoethyl)benzene 3,4-Dimethoxyphenethyl bromide 40173-90-8 (CAS 40173-90-8)
- Avatrombopag Impurity 26 (CAS 959042-70-7)
- Vortioxetine Impurity 146 TFA (CAS 1429908-33-7 (free base))
- Cephalexin Oxide Impurity 1 (CAS 56193-21-6)
- Avatrombopag Impurity 10 (CAS CATO-C4X-223410)
- 3-(4-Bromo-2-fluorophenoxy)propanoic acid (CAS 926237-13-0)
- 3-Phosphonobenzoic acid (CAS 14899-31-1)
- 2-Propenoic acid, 2-methyl-, polymer with ethenylbenzene and 2-hydroxyethyl 2-propenoate (CAS 65616-74-2)
- 4-[(3,4-dimethylphenyl)sulfanyl]aniline hydrochloride (CAS 1049762-60-8)
- 3-(4-Amino-5-mercapto-4h-1,2,4-triazol-3-yl)propan-1-ol (CAS 828295-64-3)
- Methyl 4,5-dimethoxy-1H-indole-2-carboxylate (CAS 812652-84-9)
- Semaglutide impurity 30 (CAS CATO-C4X-222630)
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