Diquafosol Impurity 6 CAS CATO-C4X-21496

Description

The occurrence of Diquafosol Impurity 6 is closely related to a flavonoid core, an amide group, a phosphate ester group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

As a process- or degradation-related impurity, Diquafosol Impurity 6 (CAS CATO-C4X-21496, C18H22N4O29P6Na) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.

The molecular framework of Diquafosol Impurity 6 (C18H22N4O29P6Na) is characterized by a flavonoid core, an amide group, a phosphate ester group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, 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 Diquafosol Impurity 6 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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