ethyl 5-sulfamoyl-1H-pyrazole-4-carboxylate CAS 96543-07-6

Description

Compared with other compounds in its class, the molecular weight of 219.22 g/mol gives ethyl 5-sulfamoyl-1H-pyrazole-4-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

ethyl 5-sulfamoyl-1H-pyrazole-4-carboxylate (CAS 96543-07-6), molecular formula C6H9N3O4S and molecular weight 219.22 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C6H9N3O4S, ethyl 5-sulfamoyl-1H-pyrazole-4-carboxylate contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 219.22 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.

As a certified reference material (CRM), ethyl 5-sulfamoyl-1H-pyrazole-4-carboxylate 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.

Physical & Chemical Properties

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