| CAS No. | 29388-97-4 |
| Molecular Formula | C13H11N3O4S3 |
| Molecular Weight | 369.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
| Molecular Formula | C13H11N3O4S3 |
| Molecular Weight | 369.44 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 3 |