Benzenesulfonyl Chloride CAS 98-09-9
Purity >95%In StockPharmaceutical Standards
| CAS No. | 98-09-9 |
| Molecular Formula | C6H5ClO2S |
| Molecular Weight | 176.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Benzenesulfonyl Chloride (CAS 98-09-9) pharmaceutical standards reference standard. Molecular formula: C6H5ClO2S. Molecular weight: 176.62 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C6H5ClO2S |
| Molecular Weight | 176.62 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1957 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Benzenesulfonyl Standards
- Benzenesulfonyl Hydrazide (CAS 80-17-1)
- 4-[[3-(benzenesulfonyl)phenyl]sulfonylamino]benzoate 4-[[3-(phenylsulfonyl)phenyl]sulfonylamino]benzoate 6745-75-1 A835756 (CAS 6745-75-1)
- Benzenesulfonyl Azide (CAS 938-10-3)
- Benzenesulfonyl cyanide (CAS 24224-99-5)
- 349-89-3 Benzenesulfonyl fluoride, p-chloro- Benzenesulfonyl fluoride, 4-chloro- (9CI) 4-11-00-00114 (Beilstein Handbook Reference) BRN 2091507 p-Chlorobenzenesulfonyl fluoride 4-Chlorobenzenesulfonyl fluoride 4-Chlorophenylsulfonyl fluoride NSC 12521 (CAS 349-89-3)
- 1-(Benzenesulfonyl)guanidine (CAS 4392-37-4)
- 3-(benzenesulfonyl)propan-1-amine (CAS 98510-52-2)
- Benzenesulfonyl-acetic acid (CAS 3959-23-7)
Recommended Standards
- Rivaroxaban Impurity 103 (CAS 35475-03-7)
- 4-Chloro-6-(methylthio)-1,3,5-triazin-2-amine (CAS 30357-94-9)
- 4-Ethyl-[1,2,3]thiadiazole-5-carbonyl chloride 889939-72-4 (CAS 889939-72-4)
- 1-(2-(Trifluoromethyl)phenyl)-1H-pyrazole-4-carboxylic acid (CAS 1260855-51-3)
- Boc-Ala-Ala-Gly-pNA (CAS 90037-94-8)
- Methyl 3-(3-benzoylthioureido)thiophene-2-carboxylate (CAS 178675-17-7)
- 2-methyl-5-(trifluoromethyl)pyrazol-3-ylboronic acid 344591-91-9 5-Borono-1-methyl-3-(trifluoromethyl)-1H-pyrazole (CAS 344591-91-9)
- 4-Bromo-N-(2-methoxyethyl)-N-methylpyridin-2-amine (CAS 1610521-39-5)
- (5E)-5-[(2H-1,3-Benzodioxol-5-yl)methylidene]-3-{[4-(4-nitrophenyl)piperazin-1-yl]methyl}-2-sulfanylideneimidazolidin-4-one (CAS 865659-86-5)
- Insulin Degludec Impurity 13 (CAS CATO-C4X-215713)
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