CAS 2389-46-0 appears in our catalog under these names: Boc-lys(z)-onp, 98%, Boc–Lys(Z)–ONp, Boc-Lys(Z)-ONp, 95%, 4-Nitrophenyl N6-((benzyloxy)carbonyl)-N2-(tert-butoxycarbonyl)-L-lysinate, 95%. Offered by: Combi-blocks, GLPBio, Ambeed, BLDpharm, Chemat. Available pack sizes: 1g, 10g, 5g, 25g, 250mg.