4-(4-Hydroxy-3-nitro-benzenesulfonylamino)-benzoic acid CAS 131971-25-0

Description

As a certified reference material (CRM), 4-(4-Hydroxy-3-nitro-benzenesulfonylamino)-benzoic acid 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.

CATO supplies 4-(4-Hydroxy-3-nitro-benzenesulfonylamino)-benzoic acid (CAS 131971-25-0), a certified reference material (molecular formula C13H10N2O7S, MW 338.29 g/mol) for analytical method development and quality control.

Based on its molecular formula C13H10N2O7S, 4-(4-Hydroxy-3-nitro-benzenesulfonylamino)-benzoic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 338.29 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 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.

Physical & Chemical Properties

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