N-{[4-Cyano-5-(methylsulfanyl)-3-oxo-2(3H)-isothiazolyl]carbonyl}-4-methylbenzenesulfonamide CAS 29388-97-4

Purity 97%+In StockPharmaceutical Standards
CAS No.29388-97-4
Molecular FormulaC13H11N3O4S3
Molecular Weight369.44 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-{[4-Cyano-5-(methylsulfanyl)-3-oxo-2(3H)-isothiazolyl]carbonyl}-4-methylbenzenesulfonamide CAS 29388-97-4 chemical structure

Description

The occurrence of N-{[4-Cyano-5-(methylsulfanyl)-3-oxo-2(3H)-isothiazolyl]carbonyl}-4-methylbenzenesulfonamide is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

N-{[4-Cyano-5-(methylsulfanyl)-3-oxo-2(3H)-isothiazolyl]carbonyl}-4-methylbenzenesulfonamide (CAS 29388-97-4), molecular formula C13H11N3O4S3 and molecular weight 369.44 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C13H11N3O4S3, N-{[4-Cyano-5-(methylsulfanyl)-3-oxo-2(3H)-isothiazolyl]carbonyl}-4-methylbenzenesulfonamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 369.44 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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

CATO manufactures N-{[4-Cyano-5-(methylsulfanyl)-3-oxo-2(3H)-isothiazolyl]carbonyl}-4-methylbenzenesulfonamide 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

Molecular FormulaC13H11N3O4S3
Molecular Weight369.44 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1965
Nitrogen Atoms3
Sulfur Atoms3

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