CAS 68973-36-4 appears in our catalog under these names: Z-Lys-obzl benzenesulfonate, 95%, Nalpha-Z-L-Lysine Benzyl Ester Benzenesulfonate Salt, N2-((Phenylmethoxy)carbonyl)-L-lysine-phenylmethyl Ester Benzensulfonic Acid, (S)-Benzyl 6-amino-2-(((benzyloxy)carbonyl)amino)hexanoate benzenesulfonate, 98%, Z–Lys–OBzl · benzenesulfonate. Offered by: Combi-blocks, TRC, AmBeed, GLPBio, Biosynth. Available pack sizes: 1g, 25g, 5g, 10g, 250mg, 100 mg, 250 mg, 1 g.