Acetyl chloride, (methylsulfonyl)- is a chemical compound registered under CAS number 56841-99-7, with the molecular formula C3H5ClO3S and a molecular weight of about 156.58 g/mol. FireTardant supplies Acetyl chloride, (methylsulfonyl)- for laboratory research and bulk production; product code 620283. Send an inquiry for purity, packaging, price and lead time.