CAS 15027-14-2 appears in our catalog under these names: (R)-2-(((Benzyloxy)carbonyl)amino)hexanoic acid, 98%, Z-D-Nle-oh, 95%, Cbz–D–norleucine, Cbz-D-Nle-OH 99%, Z-D-Nle-oh, 98%, 98%. Offered by: Fluorochem, Combi-blocks, GLPBio, Ambeed, Chemat. Available pack sizes: 250mg, 1g, 5g, 10g, 25g, 100g, 100mg.