CAS 63091-89-4 appears in our catalog under these names: H-Glu(OBzl)-NH2 hydrochloride, 97%, (S)-Benzyl 4,5-diamino-5-oxopentanoate hydrochloride, 98%, (S)–Benzyl 4,5–diamino–5–oxopentanoate hydrochloride, H-L-Glu(OBzl)-NH2*HCl, H-GLU(OBZL)-NH2 HCL, 95%, 95%. Offered by: Combi-blocks, AmBeed, GLPBio, Iris Biotech, Chemat. Available pack sizes: 1g, 25g, 5g, 100g, 500g.