4-Methylbenzenesulfonyl ChlorideContact Us to PurchaseDescription Cat. No.: VGC-98-59-9 Brand: VEGCHEM CAS No.: 98-59-9 Formula: C7H7ClO2S Appearance: White crystal Purity: 99.50% Melting Point: 67 C COA & MSDSCOA MSDS Package Size25kg/drum or on request.