Fluorosulfuric acid, 2-fluoro-3,4-dioxo-1-cyclobuten-1-yl ester is a chemical compound registered under CAS number 62344-66-5, with the molecular formula C4F2O5S and a molecular weight of about 198.1 g/mol. ReagentForLab supplies Fluorosulfuric acid, 2-fluoro-3,4-dioxo-1-cyclobuten-1-yl ester for laboratory research and bulk production; product code 1382993. Send an inquiry for purity, packaging, price and lead time.