Fasudil Impurity 57 CAS 146257-38-7

Description

Compared with other compounds in its class, the molecular weight of 223.25 g/mol gives Fasudil Impurity 57 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Fasudil Impurity 57 (CAS 146257-38-7) is a certified pharmaceutical impurity reference standard with the molecular formula C10H9NO3S and a molecular weight of 223.25 g/mol.

The molecular framework of Fasudil Impurity 57 (C10H9NO3S) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone 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.

CATO manufactures Fasudil Impurity 57 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

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