2-(3-Amino-benzenesulfonylamino)-benzoic acid CAS 55990-13-1

Description

Compared with other compounds in its class, the molecular weight of 292.31 g/mol gives 2-(3-Amino-benzenesulfonylamino)-benzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-(3-Amino-benzenesulfonylamino)-benzoic acid (CAS 55990-13-1), molecular formula C13H12N2O4S and molecular weight 292.31 g/mol, is a CATO reference standard with documented purity and traceability.

2-(3-Amino-benzenesulfonylamino)-benzoic acid (C13H12N2O4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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.

CATO manufactures 2-(3-Amino-benzenesulfonylamino)-benzoic acid 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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