CAS 31202-69-4 appears in our catalog under these names: H-D-Lys(boc)-oh, 96%, H–D–Lys(Boc)–OH, H-D-Lys(Boc)-OH, Nepsilon-Boc-D-lysine, 98% , H-D-Lys(Boc)-OH 95%. Offered by: Combi-blocks, GLPBio, Iris Biotech, Thermo Scientific (Alfa Aesar), Ambeed. Available pack sizes: 1g, 10g, 5g, 25g, 250mg, 100g, 500g, 100mg.