(4-(Ethylsulfonyl)phenyl)methanesulfonyl chloride CAS 1542637-42-2

Description

Compared with other compounds in its class, the molecular weight of 282.76 g/mol gives (4-(Ethylsulfonyl)phenyl)methanesulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(4-(Ethylsulfonyl)phenyl)methanesulfonyl chloride (CAS 1542637-42-2), molecular formula C9H11ClO4S2 and molecular weight 282.76 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C9H11ClO4S2, (4-(Ethylsulfonyl)phenyl)methanesulfonyl chloride 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 282.76 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), (4-(Ethylsulfonyl)phenyl)methanesulfonyl 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.

Physical & Chemical Properties

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