CAS 55878-47-2 appears in our catalog under these names: Boc-D-Lys(Z)-OH, 98%, Boc–D–Lys(Z)–OH, Boc-D-Lys(Z)-OH, N-alpha-Boc-Nepsilon-Z-D-lysine, Boc-D-Lys(Cbz)-OH 98%. Offered by: Combi-blocks, GLPBio, Iris Biotech, Biosynth, Ambeed. Available pack sizes: 1g, 25g, 5g, 100g, 10g, 50g.