Brexpiprazole Impurity 28 CAS 1191900-51-2

Description

Compared with other compounds in its class, the molecular weight of 449.57 g/mol gives Brexpiprazole Impurity 28 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Brexpiprazole Impurity 28 (CAS 1191900-51-2) is a certified pharmaceutical impurity reference standard with the molecular formula C25H27N3O3S and a molecular weight of 449.57 g/mol.

Structurally, Brexpiprazole Impurity 28 (C25H27N3O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 449.57 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.

As a certified reference material (CRM), Brexpiprazole Impurity 28 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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