Mirabegron EP Impurity I CAS 25952-53-8

Description

Compared with other compounds in its class, the molecular weight of 191.70 g/mol gives Mirabegron EP Impurity I distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Mirabegron EP Impurity I (CAS 25952-53-8), a pharmacopoeial impurity reference standard (molecular formula C8H17N3HCl, MW 191.70 g/mol) used for the identification and quantification of trace impurities in APIs.

The molecular framework of Mirabegron EP Impurity I (C8H17N3HCl) is characterized by 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. 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.

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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