5-Chloro-3-methoxythiophene-2-carboxylic acid CAS 62910-69-4

Description

Compared with other compounds in its class, the molecular weight of 192.62 g/mol gives 5-Chloro-3-methoxythiophene-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-Chloro-3-methoxythiophene-2-carboxylic acid (CAS 62910-69-4), molecular formula C6H5ClO3S and molecular weight 192.62 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C6H5ClO3S, 5-Chloro-3-methoxythiophene-2-carboxylic acid 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 192.62 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.

CATO manufactures 5-Chloro-3-methoxythiophene-2-carboxylic acid 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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