5-(Isoxazol-5-yl)-2-methylthiophene-3-sulfonyl chloride CAS 1282484-31-4

Description

Compared with other compounds in its class, the molecular weight of 263.72 g/mol gives 5-(Isoxazol-5-yl)-2-methylthiophene-3-sulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 5-(Isoxazol-5-yl)-2-methylthiophene-3-sulfonyl chloride (CAS 1282484-31-4), a certified reference material (molecular formula C8H6ClNO3S2, MW 263.72 g/mol) for analytical method development and quality control.

The molecular framework of 5-(Isoxazol-5-yl)-2-methylthiophene-3-sulfonyl chloride (C8H6ClNO3S2) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.

CATO manufactures 5-(Isoxazol-5-yl)-2-methylthiophene-3-sulfonyl chloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

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