Bosutinib Impurity 11 CAS CATO-C4X-184711

Description

Compared with other compounds in its class, the molecular weight of 357.83 g/mol gives Bosutinib Impurity 11 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Bosutinib Impurity 11 (CAS CATO-C4X-184711) is a certified pharmaceutical impurity reference standard with the molecular formula C16H24ClN3O4 and a molecular weight of 357.83 g/mol.

The molecular framework of Bosutinib Impurity 11 (C16H24ClN3O4) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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

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