Rifapentine impurity 24 CAS CATO-C4X-195924

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Rifapentine impurity 24.

Rifapentine impurity 24 (CAS CATO-C4X-195924) is a certified pharmaceutical impurity reference standard with the molecular formula C37H47NO13 and a molecular weight of 713.77 g/mol.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, Rifapentine impurity 24 is typically pale yellow to yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 713.77 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

As a certified reference material (CRM), Rifapentine impurity 24 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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