3-(Ethoxycarbonyl)-1-(4-methoxyphenyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid CAS 1264049-13-9

Description

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 supplies 3-(Ethoxycarbonyl)-1-(4-methoxyphenyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264049-13-9), a certified reference material (molecular formula C15H18N2O5, MW 306.31 g/mol) for analytical method development and quality control.

3-(Ethoxycarbonyl)-1-(4-methoxyphenyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid (C15H18N2O5) contains a flavonoid core, an amide 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).

As a certified reference material (CRM), 3-(Ethoxycarbonyl)-1-(4-methoxyphenyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid 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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