5-Chloro-3-[(2-ethoxyethyl)sulfanyl]-1,2,4-thiadiazole CAS 91912-00-4

Description

5-Chloro-3-[(2-ethoxyethyl)sulfanyl]-1,2,4-thiadiazole (CAS 91912-00-4), molecular formula C6H9ClN2OS2 and molecular weight 224.73 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, 5-Chloro-3-[(2-ethoxyethyl)sulfanyl]-1,2,4-thiadiazole is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 224.73 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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-[(2-ethoxyethyl)sulfanyl]-1,2,4-thiadiazole 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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