7-Chlorobenzo[d]isothiazol-3(2H)-one CAS 4337-44-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4337-44-4 |
| Molecular Formula | C7H4ClNOS |
| Molecular Weight | 185.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 7-Chlorobenzo[d]isothiazol-3(2H)-one (CAS 4337-44-4) pharmaceutical standards reference standard. Molecular formula: C7H4ClNOS. Molecular weight: 185.63 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H4ClNOS |
| Molecular Weight | 185.63 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chlorobenzo Standards
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- 4-Chlorobenzo[d]thiazol-2(3H)-one (CAS 39205-62-4)
Recommended Standards
- 6-Chlorobenzoxazole-2(3H)-thione (CAS 22876-20-6)
- 7-Chlorobenzo[d]thiazol-2(3H)-one (CAS 80416-76-8)
- 6-Chlorobenzo[d]thiazol-2(3H)-one (CAS 62266-81-3)
- 3-(4-chlorophenyl)-3-methyloxolane-2,5-dione (CAS 1094333-80-8)
- (R)-2-Amino-1-(3-(dimethylamino)pyrrolidin-1-yl)ethanone (CAS 1354010-68-6)
- 3-Amino-N-(4-chloro-3-(trifluoromethyl)phenyl)-6-(pyridin-4-yl)thieno[2,3-b]pyridine-2-carboxamide (CAS 496019-30-8)
- Boc-NH-PEG5-propargyl (CAS 2062663-67-4)
- (2R)-5-Methoxy-1,3-oxathiolane-2-methanol (CAS 528567-32-0)
- N-(tert-butyl)-4-(2-fluorophenyl)piperazine-1-carboxamide (CAS 1022116-38-6)
- Insulin Degludec Impurity 17 (CAS CATO-C4X-215717)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com