4-((3-Chlorophenyl)sulfonamido)benzoic acid CAS 727689-55-6

Description

Compared with other compounds in its class, the molecular weight of 311.74 g/mol gives 4-((3-Chlorophenyl)sulfonamido)benzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-((3-Chlorophenyl)sulfonamido)benzoic acid (CAS 727689-55-6), molecular formula C13H10ClNO4S and molecular weight 311.74 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C13H10ClNO4S, 4-((3-Chlorophenyl)sulfonamido)benzoic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 311.74 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.

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 4-((3-Chlorophenyl)sulfonamido)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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