Brivaracetam Impurity 76 CAS 1928755-17-2

Description

The occurrence of Brivaracetam Impurity 76 is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

Brivaracetam Impurity 76 (CAS 1928755-17-2) is a certified pharmaceutical impurity reference standard with the molecular formula C11H22O3 and a molecular weight of 202.29 g/mol.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, Brivaracetam Impurity 76 is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 202.29 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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 76 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

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