CAS 4670-05-7 appears in our catalog under these names: Theaflavin, Theaflavin, >98.0%(GC), Theaflavin, 98%, Theaflavin 98%, 3,4,6-Trihydroxy-1,8-bis((2R,3R)-3,5,7-trihydroxychroman-2-yl)-5H-benzo[7]annulen-5-one, 98%, 98%. Offered by: TRC, GLPBio, TCI, Thermo Scientific (Acros), Ambeed. Available pack sizes: 10mg, 1mg, 100mg, 25mg, 5mg, 10mM (in 1ml dmso), 50mg, 2mg.