Conjugated Estrogens EP Impurity E CAS 56086-66-9

Description

Compared with other compounds in its class, the molecular weight of 370.40 g/mol gives Conjugated Estrogens EP Impurity E distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Conjugated Estrogens EP Impurity E (CAS 56086-66-9), a pharmacopoeial impurity reference standard (molecular formula C18H19NaO5S, MW 370.40 g/mol) used for the identification and quantification of trace impurities in APIs.

Based on its molecular formula C18H19NaO5S, Conjugated Estrogens EP Impurity E contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 370.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 Conjugated Estrogens EP Impurity E 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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