CAS Registry Number

CAS 98-60-2 — 4-Chlorobenzenesulfonyl chloride

4-Chlorobenzenesulfonyl chloride is an aromatic sulfonyl chloride reagent widely used in organic synthesis for sulfonylation reactions, pharmaceutical intermediate production, and dye manufacturing. It serves as a key building block in creating sulfonamides, sulfonic acids, and other sulfur-containing compounds. This chemical has a CAS number of 98-60-2, a molecular formula of C6H4Cl2O2S, and a molecular weight of 211.07 g/mol. It is stored under ambient conditions but requires careful handling due to its hazardous nature, indicated by the signal word "Danger." Molekula supplies 4-Chlorobenzenesulfonyl chloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.