Finerenone Impurity 171 CAS CATO-C4X-2880171

Description

Compared with other compounds in its class, the molecular weight of 201.22 g/mol gives Finerenone Impurity 171 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Finerenone Impurity 171 (CAS CATO-C4X-2880171) is a certified pharmaceutical impurity reference standard with the molecular formula C12H11NO2 and a molecular weight of 201.22 g/mol.

Based on its molecular formula C12H11NO2, Finerenone Impurity 171 contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 201.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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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