2-((2-Nitrophenyl)thio)benzo[d]isothiazol-3(2h)-one 1,1-dioxide CAS 16239-03-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16239-03-5 |
| Molecular Formula | C13H8N2O5S2 |
| Molecular Weight | 336.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-((2-Nitrophenyl)thio)benzo[d]isothiazol-3(2h)-one 1,1-dioxide (CAS 16239-03-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H8N2O5S2. Molecular weight: 336.34 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H8N2O5S2 |
| Molecular Weight | 336.34 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
- (S)-Methyl 3-((tert-butoxycarbonyl)amino)-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepine-7-carboxylate (CAS 1622852-83-8)
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- Azetidin-1-yl(5-bromo-6-chloropyridin-2-yl)methanone (CAS 2166946-61-6)
- 4-(2-Hydroxyethyl)piperazine-1-carbaldehyde (CAS 25209-64-7)
- 2-(3-PYrimidin-4-ylpropyl)azetidine-2-carboxamide bis(trifluoroacetate) (CAS 2108655-91-8)
- Carbidopa Impurity 25 (CAS CATO-C4X-231025)
- 4-Bromo-5-(4-bromophenyl)isoxazole (CAS 1159981-76-6)
- (D-His1)-Exenatide trifluoroacetate salt (CAS 1678417-09-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com