CAS 139090-50-9 appears in our catalog under these names: Fmoc-d-arg(tos)-oh, 95%, Fmoc–D–Arg(Tos)–OH, N-α-Fmoc-N-ω-(4-toluenesulfonyl)-D-arginine, Fmoc-D-Arg(Tos)-OH 96%, Fmoc-D-Arg(Tos)-OH, 96%, 96%. Offered by: Combi-blocks, GLPBio, Biosynth, Ambeed, Chemat. Available pack sizes: 1g, 5g, 250mg, 500mg, 1000mg, 2000mg, 10000mg, 5000mg.