Isothiazole-4-sulfonyl chloride CAS 88982-55-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 88982-55-2 |
| Molecular Formula | C3H2ClNO2S2 |
| Molecular Weight | 183.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Isothiazole-4-sulfonyl chloride (CAS 88982-55-2) pharmaceutical standards reference standard. Molecular formula: C3H2ClNO2S2. Molecular weight: 183.64 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C3H2ClNO2S2 |
| Molecular Weight | 183.64 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Isothiazole Standards
- Isothiazole-5-sulfonyl chloride (CAS 362658-19-3)
- Ethyl isothiazole-3-carboxylate 1,1-dioxide (CAS 1823946-00-4)
- Isothiazole-4,5-dicarboxylic acid (CAS 66882-70-0)
- Isothiazole-3,4,5-tricarbonitrile (CAS 857958-14-6)
- Ethyl isothiazole-3-carboxylate (CAS 23244-32-8)
- Methyl isothiazole-3-carboxylate (CAS 1001907-72-7)
- 3-Methyl-isothiazole-4-carboxylic acid (CAS 15903-66-9)
- Methyl isothiazole-4-carboxylate (CAS 56133-37-0)
Recommended Standards
- 6-Chloro-N-(cyclopropylmethyl)pyrimidin-4-amine (CAS 928650-17-3)
- 6-Chloro-2-cyclopropyl-5-methylpyrimidin-4-amine (CAS 852061-78-0)
- 3-chloranyl-6-pyrrolidin-1-yl-pyridazine 3-chloro-6-(1-pyrrolidinyl)pyridazine 66346-85-8 A835428 (CAS 66346-85-8)
- Methyl 9H-Carbazole-2-carboxylate (CAS 26000-33-9)
- 2-((5-(Trifluoromethyl)pyridin-2-yl)sulfonyl)propanoic acid (CAS 338962-54-2)
- 2-Hydroxy-5-nitro-m-anisaldehyde (CAS 17028-61-4)
- 3-Mercaptonaphthalen-1-ol (CAS 1824413-19-5)
- Dolutegravir Impurity 13 (CAS 1646862-02-3)
- Thiamine /Vitamin B1 Impurity 51 (CAS CATO-C4X-187351)
- Tirzepatide Impurity 46 (CAS CATO-C4X-324046)
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