5-Methoxy-1-methyl-1H-pyrazole-4-sulfonyl Chloride CAS 1365941-79-2

Description

Compared with other compounds in its class, the molecular weight of 210.64 g/mol gives 5-Methoxy-1-methyl-1H-pyrazole-4-sulfonyl Chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 5-Methoxy-1-methyl-1H-pyrazole-4-sulfonyl Chloride (CAS 1365941-79-2), a certified reference material (molecular formula C5H7ClN2O3S, MW 210.64 g/mol) for analytical method development and quality control.

Structurally, 5-Methoxy-1-methyl-1H-pyrazole-4-sulfonyl Chloride (C5H7ClN2O3S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 210.64 g/mol, it falls into the medium-molecular-weight range. 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.

CATO manufactures 5-Methoxy-1-methyl-1H-pyrazole-4-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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