3-Bromo-4-methyl-5-nitrobenzene-1-sulfonyl chloride CAS 1247054-40-5

Description

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

3-Bromo-4-methyl-5-nitrobenzene-1-sulfonyl chloride (CAS 1247054-40-5), molecular formula C7H5BrClNO4S and molecular weight 314.54 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C7H5BrClNO4S, 3-Bromo-4-methyl-5-nitrobenzene-1-sulfonyl chloride contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 314.54 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).

As a certified reference material (CRM), 3-Bromo-4-methyl-5-nitrobenzene-1-sulfonyl chloride 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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