CAS 163733-99-1 appears in our catalog under these names: 4-Amino-2,3-difluorophenol, 98%, 4–Amino–2，3–Difluoro–Phenol, 4-Amino-2,3-difluorophenol 95%, 4-Amino-2,3-difluorophenol, 97%. Offered by: Combi-blocks, GLPBio, Ambeed, Fluorochem. Available pack sizes: 250mg, 5g, 10g, 1g, 100mg, 25g.