Indacaterol Impurity 3 CAS 530084-79-8

Description

Compared with other compounds in its class, the molecular weight of 374.23 g/mol gives Indacaterol Impurity 3 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Indacaterol Impurity 3 (CAS 530084-79-8), a pharmacopoeial impurity reference standard (molecular formula C18H16BrNO3, MW 374.23 g/mol) used for the identification and quantification of trace impurities in APIs.

Indacaterol Impurity 3 (C18H16BrNO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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.

As a certified reference material (CRM), Indacaterol Impurity 3 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

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