CAS 39217-38-4 appears in our catalog under these names: (S)–2–Amino–3–chloropropanoic acid, beta-Chloro-D-alanine, H-D-3-Cl-Ala-OH 95%, (S)-2-Amino-3-chloropropanoic acid, 95%, 95%, (S)-2-Amino-3-chloropropanoic acid, 95%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 5g, 2g, 10g, 25g, 100mg, 250mg.