CAS 52328-97-9 appears in our catalog under these names: Tetramethylcurcumin/ 98%, Tetramethylcurcumin, FLLL31, Tetramethylcurcumin 95%, (1E,6E)-1,7-Bis(3,4-dimethoxyphenyl)-4,4-dimethylhepta-1,6-diene-3,5-dione, 95%, 95%. Offered by: TargetMol, GLPBio, Biosynth, Ambeed, Sigma-Aldrich. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 100mg, 250mg, 5 mg.