Ropivacaine Impurity 37 CAS 1583238-33-8

Description

Compared with other compounds in its class, the molecular weight of 232.32 g/mol gives Ropivacaine Impurity 37 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Ropivacaine Impurity 37 (CAS 1583238-33-8), a pharmacopoeial impurity reference standard (molecular formula C14H20N2O, MW 232.32 g/mol) used for the identification and quantification of trace impurities in APIs.

The molecular framework of Ropivacaine Impurity 37 (C14H20N2O) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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), Ropivacaine Impurity 37 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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