an most potent antioxidant polyphenols of green tea, is associated with antioxidant, antitumor and antimutagenic activities. Product Information:Cas No.: 989-51-5Synonym: (2R, 3R)-2-(3,4,5-Trihydroxy-phenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol 3-(3,4, 5-trihydroxybenzoate),(-)-Epigallocatechin gallate, (-)-Epigallocatechin gallate 3-O-gallateMolecular Formula: C22H18O11Molecular Weight: 458. ...