Methyl 3-(chlorosulfonyl)-5-(o-tolyl)thiophene-2-carboxylate CAS 1375474-10-4

Description

Compared with other compounds in its class, the molecular weight of 330.81 g/mol gives Methyl 3-(chlorosulfonyl)-5-(o-tolyl)thiophene-2-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Methyl 3-(chlorosulfonyl)-5-(o-tolyl)thiophene-2-carboxylate (CAS 1375474-10-4), molecular formula C13H11ClO4S2 and molecular weight 330.81 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, Methyl 3-(chlorosulfonyl)-5-(o-tolyl)thiophene-2-carboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 330.81 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), Methyl 3-(chlorosulfonyl)-5-(o-tolyl)thiophene-2-carboxylate 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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