2-(4-Bromobenzenesulfonyl)-3-(4-chlorobenzenesulfonyl)-4,6-dimethylpyridine CAS 478262-71-4

Description

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

2-(4-Bromobenzenesulfonyl)-3-(4-chlorobenzenesulfonyl)-4,6-dimethylpyridine (CAS 478262-71-4), molecular formula C19H15BrClNO4S2 and molecular weight 500.81 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C19H15BrClNO4S2, 2-(4-Bromobenzenesulfonyl)-3-(4-chlorobenzenesulfonyl)-4,6-dimethylpyridine contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 500.81 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

As a certified reference material (CRM), 2-(4-Bromobenzenesulfonyl)-3-(4-chlorobenzenesulfonyl)-4,6-dimethylpyridine 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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