Upadacitinib Impurity 65 CAS 2460133-49-5

Description

Compared with other compounds in its class, the molecular weight of 309.79 g/mol gives Upadacitinib Impurity 65 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Upadacitinib Impurity 65 (CAS 2460133-49-5), a pharmacopoeial impurity reference standard (molecular formula C16H20ClNO3, MW 309.79 g/mol) used for the identification and quantification of trace impurities in APIs.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, Upadacitinib Impurity 65 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 309.79 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), Upadacitinib Impurity 65 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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