Olopatadine Impurity 36 HCl CAS CATO-C4X-171836

Description

Compared with other compounds in its class, the molecular weight of 359.89 g/mol gives Olopatadine Impurity 36 HCl distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Olopatadine Impurity 36 HCl (CAS CATO-C4X-171836) is a certified pharmaceutical impurity reference standard with the molecular formula C21H25NO2HCl and a molecular weight of 359.89 g/mol.

Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, Olopatadine Impurity 36 HCl is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 359.89 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.

CATO manufactures Olopatadine Impurity 36 HCl 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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