1-(3-Chlorophenylamino)-4-phenylphthalazine CAS 78351-75-4

Description

The occurrence of 1-(3-Chlorophenylamino)-4-phenylphthalazine is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

1-(3-Chlorophenylamino)-4-phenylphthalazine (CAS 78351-75-4), molecular formula C20H14ClN3 and molecular weight 331.80 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C20H14ClN3, 1-(3-Chlorophenylamino)-4-phenylphthalazine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 331.80 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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), 1-(3-Chlorophenylamino)-4-phenylphthalazine 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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