CAS 749847-57-2 appears in our catalog under these names: (S)–2–Amino–3–(2，4，5–trifluorophenyl)propanoic acid, (S)-2-Amino-3-(2,4,5-trifluorophenyl)propanoic acid, L-2,4,5-Trifluorophenylalanine, (S)-2-Amino-3-(2,4,5-trifluorophenyl)propanoic acid, 97%. Offered by: GLPBio, Chemat, Biosynth, Fluorochem. Available pack sizes: 100mg, 250mg, 500mg, 1000mg, 2000mg.