4-(4-Chlorophenyl)-6-(3,4-dichlorophenyl)-2-(pyrrolidin-1-yl)pyridine-3-carbonitrile CAS 303984-53-4

Description

As a certified reference material (CRM), 4-(4-Chlorophenyl)-6-(3,4-dichlorophenyl)-2-(pyrrolidin-1-yl)pyridine-3-carbonitrile 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.

4-(4-Chlorophenyl)-6-(3,4-dichlorophenyl)-2-(pyrrolidin-1-yl)pyridine-3-carbonitrile (CAS 303984-53-4), molecular formula C22H16Cl3N3 and molecular weight 428.74 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution, 4-(4-Chlorophenyl)-6-(3,4-dichlorophenyl)-2-(pyrrolidin-1-yl)pyridine-3-carbonitrile is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 428.74 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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.

Physical & Chemical Properties

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