Chalcone 4'-O-glucosyltransferase (, 4'CGT) is an enzyme with systematic name UDP-alpha-D-glucose:2',4,4',6'-tetrahydroxychalcone 4'-O-beta-D-glucosyltransferase. This enzyme catalyses the following chemical reaction
This enzyme is isolated from the plant Antirrhinum majus (snapdragon).