4-(3-hydroxypropyl)-1-(4-methylphenyl)-1H-pyrazole-3-carboxylic acid CAS 1152520-08-5

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.

4-(3-hydroxypropyl)-1-(4-methylphenyl)-1H-pyrazole-3-carboxylic acid (CAS 1152520-08-5) is a high-purity analytical reference standard with the molecular formula C14H16N2O3 and a molecular weight of 260.29 g/mol.

The molecular framework of 4-(3-hydroxypropyl)-1-(4-methylphenyl)-1H-pyrazole-3-carboxylic acid (C14H16N2O3) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 4-(3-hydroxypropyl)-1-(4-methylphenyl)-1H-pyrazole-3-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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