ChEBI: 2',3,4,4',6'-pentahydroxychalcone is a member of the class of chalcones that is chalcone substituted by hydroxy groups at positions 2', 3, 4, 4', and 6'. It is functionally related to a chalcone. It is a conjugate acid of a 2',3,4,4',6'-pentahydroxychalcone(1-).