4-Methylsulfonyl-2,2',4',5,6-pentachlorobiphenyl CAS 149949-87-1

Description

Structurally, 4-Methylsulfonyl-2,2',4',5,6-pentachlorobiphenyl (C13H7Cl5O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 404.52 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

4-Methylsulfonyl-2,2',4',5,6-pentachlorobiphenyl (CAS 149949-87-1) is a high-purity analytical reference standard with the molecular formula C13H7Cl5O2S and a molecular weight of 404.52 g/mol.

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-Methylsulfonyl-2,2',4',5,6-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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