4-hydroxy-1H-1,2,3-benzotriazole-5-carboxylic acid hydrobromide CAS 1797824-92-0

Description

Compared with other compounds in its class, the molecular weight of 260.05 g/mol gives 4-hydroxy-1H-1,2,3-benzotriazole-5-carboxylic acid hydrobromide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-hydroxy-1H-1,2,3-benzotriazole-5-carboxylic acid hydrobromide (CAS 1797824-92-0), molecular formula C7H5N3O3HBr and molecular weight 260.05 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C7H5N3O3HBr, 4-hydroxy-1H-1,2,3-benzotriazole-5-carboxylic acid hydrobromide contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 260.05 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-hydroxy-1H-1,2,3-benzotriazole-5-carboxylic acid hydrobromide 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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