3H,3'H-1,1'-spirobi[[2,1]benzoxathiole]-3,3'-dione is a chemical compound registered under CAS number 33973-62-5, with the molecular formula C14H8O4S and a molecular weight of about 272.28 g/mol. It is also known as 1,1'-Spirobi[3H-2,1-benzoxathiole]-3,3'-dione(8CI); Bis(2-carboxyphenyl)sulfur dihydroxide dilactone; NSC 259699. ChemIBD supplies 3H,3'H-1,1'-spirobi[[2,1]benzoxathiole]-3,3'-dione for laboratory research and bulk production; product code 395852. Send an inquiry for purity, packaging, price and lead time.