4-Methylsulfonyl-2,2',3',4',5-pentachlorobiphenyl CAS 66640-59-3

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-Methylsulfonyl-2,2',3',4',5-pentachlorobiphenyl (CAS 66640-59-3), molecular formula C13H7Cl5O2S and molecular weight 404.52 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C13H7Cl5O2S, 4-Methylsulfonyl-2,2',3',4',5-pentachlorobiphenyl contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 404.52 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 4-Methylsulfonyl-2,2',3',4',5-pentachlorobiphenyl 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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