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