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| Product name | Tosyl chloride | 
| Alias | 4-Methylbenzenesulfonyl chloride;Tosyl chloride ;p-toluenesulfonyl chloride;toluene-4-sulfonyl chloride;p-toluenesulfonyl chloride;PTSC;p-tolylbenzylsulfonyl chloride;p-toluenesulfonyl chloride | 
| CAS RN | 98-59-9 | 
| EINECS No. | 202-684-8 | 
| Molecular formula | C7H7ClO2S | 
| Molecular weight | 190.6473 |