2-(5-Methyl-3-(thiophen-3-yl)-1H-pyrazol-4-yl)acetic acid CAS 1491132-49-0

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.

2-(5-Methyl-3-(thiophen-3-yl)-1H-pyrazol-4-yl)acetic acid (CAS 1491132-49-0) is a high-purity analytical reference standard with the molecular formula C10H10N2O2S and a molecular weight of 222.26 g/mol.

2-(5-Methyl-3-(thiophen-3-yl)-1H-pyrazol-4-yl)acetic acid (C10H10N2O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

As a certified reference material (CRM), 2-(5-Methyl-3-(thiophen-3-yl)-1H-pyrazol-4-yl)acetic 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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