CAS 55912-03-3 appears in our catalog under these names: (E)-1-(2-Hydroxy-4-methoxy-3-(3-methylbut-2-en-1-yl)phenyl)-3-(4-hydroxyphenyl)prop-2-en-1-one, 4-Hydroxyderricin/ 97.02% (existing batch purity), 4–Hydroxyderricin, 4-Hydroxyderricin 98%, 4-Hydroxyderricin, 99.79%. Offered by: Chemat, TargetMol, GLPBio, Ambeed, MedChemExpress. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 1 mg, 5 mg.