CAS 331-55-5 appears in our catalog under these names: 3-Fluoro-phenylthioacetic acid, 2-((3-Fluorophenyl)thio)acetic acid, 95%, 95%, 3-Fluoro-phenylthioacetic acid, 95%. Offered by: Biosynth, Chemat, Fluorochem. Available pack sizes: 2,5g, 250mg, 100mg, 1g.