2-sulphofumaric acid is a chemical compound registered under CAS number 24674-75-7, with the molecular formula C4H4O7S and a molecular weight of about 196.14 g/mol. Its EINECS (EC) number is 246-393-4. It is also known as (E)-2-Sulfo-2-butenedioic acid; Einecs 246-393-4. NewsChem supplies 2-sulphofumaric acid for laboratory research and bulk production; product code 479334. Send an inquiry for purity, packaging, price and lead time.