1,3-Dihydro-3-[5-oxofuran-2(5H)-ylidene]-2H-indol-2-one is a chemical compound registered under CAS number 13191-62-3, with the molecular formula C12H7NO3 and a molecular weight of about 213.18 g/mol. It is also known as 3-[5-Oxofuran-2(5H)-ylidene]-2-indolinone; 4-(1,2-Dihydro-2-oxo-3H-indol-3-ylidene)-4-hydroxy-2-butenoic acid 1,4-lactone. ChemIBD supplies 1,3-Dihydro-3-[5-oxofuran-2(5H)-ylidene]-2H-indol-2-one for laboratory research and bulk production; product code 1299771. Send an inquiry for purity, packaging, price and lead time.