2-(4-Chlorophenyl)benzo[d]isothiazol-3(2H)-one CAS 2620-91-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2620-91-9 |
| Molecular Formula | C13H8ClNOS |
| Molecular Weight | 261.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(4-Chlorophenyl)benzo[d]isothiazol-3(2H)-one (CAS 2620-91-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H8ClNOS. Molecular weight: 261.73 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H8ClNOS |
| Molecular Weight | 261.73 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-(5-(4-Chlorobenzoyl)thiophen-2-yl)acetonitrile (CAS 338422-77-8)
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- N-2,3-Dihydro-1H-inden-2-yl-N-ethylaminehydrochloride (CAS 53545-51-0)
- (4-(Ethyl(methyl)carbamoyl)phenyl)boronic acid (CAS 871333-04-9)
- (S)-2-((tert-Butoxycarbonyl)amino)hex-4-ynoic acid (CAS 98254-05-8)
- a-Bag Cell Peptide (1-8) (CAS 87549-53-9)
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