5-(2,5-Dioxopyrrolidin-1-yl)-1,3,4-thiadiazole-2-sulfonamide CAS 138080-08-7

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-(2,5-Dioxopyrrolidin-1-yl)-1,3,4-thiadiazole-2-sulfonamide.

5-(2,5-Dioxopyrrolidin-1-yl)-1,3,4-thiadiazole-2-sulfonamide (CAS 138080-08-7), molecular formula C6H6N4O4S2 and molecular weight 262.27 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C6H6N4O4S2, 5-(2,5-Dioxopyrrolidin-1-yl)-1,3,4-thiadiazole-2-sulfonamide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 262.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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