Flomoxef Impurity 64 CAS 2095482-92-9

Description

The occurrence of Flomoxef Impurity 64 is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

Flomoxef Impurity 64 (CAS 2095482-92-9) is a certified pharmaceutical impurity reference standard with the molecular formula C27H30F4N8O13S3 and a molecular weight of 846.76 g/mol.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution, Flomoxef Impurity 64 is typically pale yellow to yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 846.76 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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), Flomoxef Impurity 64 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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