2-(Difluoromethyl)-3,4-diiodopyridine-5-sulfonyl chloride CAS 1804694-23-2

Description

As a certified reference material (CRM), 2-(Difluoromethyl)-3,4-diiodopyridine-5-sulfonyl chloride 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.

2-(Difluoromethyl)-3,4-diiodopyridine-5-sulfonyl chloride (CAS 1804694-23-2) is a high-purity analytical reference standard with the molecular formula C6H2ClF2I2NO2S and a molecular weight of 479.41 g/mol.

Based on its molecular formula C6H2ClF2I2NO2S, 2-(Difluoromethyl)-3,4-diiodopyridine-5-sulfonyl chloride contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine/iodine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 479.41 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.

Physical & Chemical Properties

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