2-(3-Nitrophenyl)-4-phenyl-1,2-dihydro-3H-pyrazol-3-one CAS 400075-08-3

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-(3-Nitrophenyl)-4-phenyl-1,2-dihydro-3H-pyrazol-3-one.

2-(3-Nitrophenyl)-4-phenyl-1,2-dihydro-3H-pyrazol-3-one (CAS 400075-08-3), molecular formula C15H11N3O3 and molecular weight 281.27 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2-(3-Nitrophenyl)-4-phenyl-1,2-dihydro-3H-pyrazol-3-one (C15H11N3O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 281.27 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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), 2-(3-Nitrophenyl)-4-phenyl-1,2-dihydro-3H-pyrazol-3-one 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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