4-(4-Chlorobenzoyl)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one CAS 70692-01-2

Description

The occurrence of 4-(4-Chlorobenzoyl)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4-(4-Chlorobenzoyl)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one (CAS 70692-01-2) is a high-purity analytical reference standard with the molecular formula C17H13ClN2O2 and a molecular weight of 312.75 g/mol.

Structurally, 4-(4-Chlorobenzoyl)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one (C17H13ClN2O2) contains a steroid core, 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 312.75 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).

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), 4-(4-Chlorobenzoyl)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-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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