2-(4-Chlorobenzoyl)-3-(4-methylbenzenesulfonyl)-5-(trifluoromethyl)pyridine CAS 338959-92-5

Description

Compared with other compounds in its class, the molecular weight of 439.84 g/mol gives 2-(4-Chlorobenzoyl)-3-(4-methylbenzenesulfonyl)-5-(trifluoromethyl)pyridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-(4-Chlorobenzoyl)-3-(4-methylbenzenesulfonyl)-5-(trifluoromethyl)pyridine (CAS 338959-92-5) is a high-purity analytical reference standard with the molecular formula C20H13ClF3NO3S and a molecular weight of 439.84 g/mol.

Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, 2-(4-Chlorobenzoyl)-3-(4-methylbenzenesulfonyl)-5-(trifluoromethyl)pyridine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 439.84 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.

As a certified reference material (CRM), 2-(4-Chlorobenzoyl)-3-(4-methylbenzenesulfonyl)-5-(trifluoromethyl)pyridine 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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