CAS 19461-38-2 appears in our catalog under these names: (2S,3S)-2-(2-Aminoacetamido)-3-methylpentanoic acid, 98%, N-Glycyl-l-isoleucine, 98%, H–Gly–Ile–OH, Glycyl-l-isoleucine 99%, N-Glycyl-L-isoleucine, 99%, 99%. Offered by: Fluorochem, Combi-blocks, GLPBio, Ambeed, Chemat. Available pack sizes: 1g, 5g, 25g, 250mg, 100 mg.