Mequitazine Impurity 3 CAS 151129-16-7

Description

Compared with other compounds in its class, the molecular weight of 320.45 g/mol gives Mequitazine Impurity 3 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Mequitazine Impurity 3 (CAS 151129-16-7), a pharmacopoeial impurity reference standard (molecular formula C20H20N2S, MW 320.45 g/mol) used for the identification and quantification of trace impurities in APIs.

Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, Mequitazine Impurity 3 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 320.45 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.

As a certified reference material (CRM), Mequitazine 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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