CAS 938-63-6 appears in our catalog under these names: 4-Amino-2,3,5,6-tetrafluorophenol, 4-Amino-2,3,5,6-tetrafluorophenol 95%, 4-Amino-2,3,5,6-tetrafluorophenol, 95%, 95%, 4-AMINO-2,3,5,6-TETRAFLUOROPHENOL, 98%. Offered by: Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 0,5g, 50mg, 5g, 100mg, 250mg, 1g.