1-Ethyl-1H-benzoimidazole-2-sulfonic acid CAS 90331-19-4

Description

Compared with other compounds in its class, the molecular weight of 226.25 g/mol gives 1-Ethyl-1H-benzoimidazole-2-sulfonic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-Ethyl-1H-benzoimidazole-2-sulfonic acid (CAS 90331-19-4) is a high-purity analytical reference standard with the molecular formula C9H10N2O3S and a molecular weight of 226.25 g/mol.

1-Ethyl-1H-benzoimidazole-2-sulfonic acid (C9H10N2O3S) 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. 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.

CATO manufactures 1-Ethyl-1H-benzoimidazole-2-sulfonic 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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