CAS 658-79-7 appears in our catalog under these names: Glycyl-L-tyrosine, 98%, Glycyl-l-tyrosine hydrate, 98%, Glycyl-L-tyrosine, >95% (HPLC), H–Gly–Tyr–OH, N-Glycyl-L-tyrosine, 98% . Offered by: Combi-blocks, TRC, GLPBio, Thermo Scientific (Alfa Aesar), Biosynth. Available pack sizes: 1g, 500g, 25g, 5g, 100g, 100mg, 250mg, 500mg.