4-((1,1-Dioxidobenzo[d]isothiazol-3-yl)amino)-N-phenylbenzenesulfonamide CAS 350509-83-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 350509-83-0 |
| Molecular Formula | C19H15N3O4S2 |
| Molecular Weight | 413.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-((1,1-Dioxidobenzo[d]isothiazol-3-yl)amino)-N-phenylbenzenesulfonamide (CAS 350509-83-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H15N3O4S2. Molecular weight: 413.47 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H15N3O4S2 |
| Molecular Weight | 413.47 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Dioxidobenzo Standards
- 2-((5-((1,1-Dioxidobenzo[d]isothiazol-3(2H)-ylidene)amino)-1,3,4-thiadiazol-2-yl)thio)-1-(piperidin-1-yl)ethan-1-one (CAS 825657-73-6)
- 3-((1,1-Dioxidobenzo[d]isothiazol-3(2H)-ylidene)amino)propyl 2-chloro-2-phenylacetate (CAS 356088-58-9)
- 3-((1,1-Dioxidobenzo[d]isothiazol-3-yl)amino)propyl 2-bromobutanoate (CAS 591212-97-4)
- (((1,1-Dioxidobenzo[b]thiophen-2-yl)methoxy)carbonyl)-L-phenylalanine (CAS 197245-19-5)
- 4-(5-((1,1-Dioxidobenzo[b]thiophen-3-yl)thio)-1H-tetrazol-1-yl)benzoic acid (CAS 1091555-35-9)
- Methyl 2-((1,1-dioxidobenzo[d]isothiazol-3(2h)-ylidene)amino)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 568550-83-4)
- 3-((1,1-Dioxidobenzo[d]isothiazol-3-yl)amino)propyl 2-bromopropanoate (CAS 591213-01-3)
- (((1,1-Dioxidobenzo[b]thiophen-2-yl)methoxy)carbonyl)-L-methionine (CAS 197245-29-7)
Recommended Standards
- 3,5-Bis(benzyloxy)-N-(1-methyl-1H-pyrazol-3-yl)benzamide (CAS 915771-05-0)
- 4'-([2,2':6',2"-Terpyridin]-4'-yl)-[1,1'-biphenyl]-4-carbaldehyde (CAS 2042511-09-9)
- 3-(4-Hydroxyphenyl)-N'-[(1E)-(4-methylphenyl)methylidene]-2-(1-oxo-2,3-dihydro-1H-isoindol-2-yl)propanehydrazide (CAS 477889-59-1)
- 4-Amino-n-isopropyl-n,2-dimethylbenzenesulfonamide (CAS 1095035-67-8)
- 6-(2-Ethoxyethyl)-9-(tetrahydro-2H-pyran-2-yl)-9H-purine (CAS 920503-53-3)
- 2-((Tert-butoxycarbonyl)amino)-4,4-dimethylpentanoic acid (CAS 507264-54-2)
- (1-Chloro-3-phenylpropan-2-yl)trimethoxysilane (CAS 68128-25-6)
- N,N-Diethyl-4-(2-(methylthio)-4,5-dihydro-1H-imidazole-1-carbonyl)benzenesulfonamide (CAS 851863-57-5)
- N-((3,4-Dichlorophenyl)carbamoyl)-N-methylformamide (CAS 76409-92-2)
- Semaglutide impurity 89 (CAS CATO-C4X-222689)
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