CAS 199118-68-8 appears in our catalog under these names: H-Asp(obzl)-nh2 hydrochloride, 98%, Benzyl (S)–3，4–diamino–4–oxobutanoate hydrochloride, H-L-Asp(OBzl)-NH2*HCl, H-ASP(OBZL)-NH2 HCL, 98%, 98%, L-Aspartic acid b-benzyl ester a-amide hydrochloride, 98%. Offered by: Combi-blocks, GLPBio, Iris Biotech, Chemat, Fluorochem. Available pack sizes: 1g, 5g, 100mg, 250mg, 10g.