4-(4-Chlorophenyl)-2-(3-nitrophenyl)-1,2-dihydro-3H-pyrazol-3-one CAS 400075-12-9

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.

4-(4-Chlorophenyl)-2-(3-nitrophenyl)-1,2-dihydro-3H-pyrazol-3-one (CAS 400075-12-9), molecular formula C15H10ClN3O3 and molecular weight 315.71 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4-(4-Chlorophenyl)-2-(3-nitrophenyl)-1,2-dihydro-3H-pyrazol-3-one (C15H10ClN3O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. 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 315.71 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 4-(4-Chlorophenyl)-2-(3-nitrophenyl)-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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