5-(4-Aminophenyl)-2,4-dihydro-3H-pyrazol-3-one CAS 103755-57-3

Description

Compared with other compounds in its class, the molecular weight of 175.19 g/mol gives 5-(4-Aminophenyl)-2,4-dihydro-3H-pyrazol-3-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 5-(4-Aminophenyl)-2,4-dihydro-3H-pyrazol-3-one (CAS 103755-57-3), a certified reference material (molecular formula C9H9N3O, MW 175.19 g/mol) for analytical method development and quality control.

5-(4-Aminophenyl)-2,4-dihydro-3H-pyrazol-3-one (C9H9N3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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