(1E,4E,6E)-1,7-bis(3,4-dimethoxyphenyl)-5-hydroxyhepta-1,4,6-trien-3-one; CAS No.: 917813-54-8; (1E,4E,6E)-1,7-bis(3,4-dimethoxyphenyl)-5-hydroxyhepta-1,4,6-trien-3-one is a yellow solid. Store under argon at -20 C. This compound is light-sensitive; CAS No.: 917813-54-8 requires dark containers.