Fluticasone Impurity 41 CAS 192191-49-4

Description

Compared with other compounds in its class, the molecular weight of 480.56 g/mol gives Fluticasone Impurity 41 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Fluticasone Impurity 41 (CAS 192191-49-4) is a certified pharmaceutical impurity reference standard with the molecular formula C25H30F2O5S and a molecular weight of 480.56 g/mol.

Based on its molecular formula C25H30F2O5S, Fluticasone Impurity 41 contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 480.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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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