Sofalcone is a member of the class of chalcones that is benzene in which the hydrogens at positions 1,2 and 5 are replaced by carboxymethoxy, (1E)-1-{4-[(3-methylbut-2-en-1-yl)oxy]phenyl}-3-oxoprop-1-en-3-yl, and (3-methylbut-2-en-1-yl)oxy groups, respectively. It is a gastrointestinal drug currently used for treatment of gastritis and gastric ulcers in Japan and South Korea. It has a role as an antibacterial agent, an anti-ulcer drug, a gastrointestinal drug and a plant metabolite. It is a member of chalcones, a monocarboxylic acid and an aromatic ether.