Ilaprazole Impurity 3 CAS CATO-C4X-11303

Description

Compared with other compounds in its class, the molecular weight of 485.61 g/mol gives Ilaprazole Impurity 3 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Ilaprazole Impurity 3 (CAS CATO-C4X-11303) is a certified pharmaceutical impurity reference standard with the molecular formula C27H27N5O2S and a molecular weight of 485.61 g/mol.

The molecular framework of Ilaprazole Impurity 3 (C27H27N5O2S) is characterized by a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. 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 aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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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