5-Chloro-2-methoxybenzenesulfonyl chloride CAS 22952-32-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 22952-32-5 |
| Molecular Formula | C7H6Cl2O3S |
| Molecular Weight | 241.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-2-methoxybenzenesulfonyl chloride (CAS 22952-32-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H6Cl2O3S. Molecular weight: 241.09 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H6Cl2O3S |
| Molecular Weight | 241.09 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
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- 2-Chloro-3-methoxybenzenesulfonyl chloride (CAS 1261581-13-8)
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Recommended Standards
- 5-Bromo-4,6-dimethyl-1H-pyrazolo[3,4-b]pyridin-3-amine (CAS 42951-65-5)
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- Thiotepa Impurity 4 (CAS CATO-C4X-21564)
- Methyl 4-(5-hydroxypyridin-3-yl)benzoate (CAS 1258612-64-4)
- 2,2,2-Trifluoro-1-(4-isobutoxy-2-methylphenyl)ethanone (CAS 1443349-38-9)
- 1-(2-methylsulfanylphenyl)hexahydropyrimidine-2,4-dione (CAS 1691626-25-1)
- 2-(4-(Isopropylthio)phenyl)-N-((1-(thiophen-2-yl)cyclopropyl)methyl)acetamide (CAS 1210882-72-6)
- 1-(3,7-Dimethylquinoxalin-2-yl)ethan-1-one (CAS 38953-60-5)
- Potassium trifluoro(2,2,2-trifluoroethyl)borate (CAS 1510778-85-4)
- D-Trp25-Tirzepatide (CAS CATO-CPTD788909)
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