CAS 13139-16-7 appears in our catalog under these names: Boc-L-isoleucine, 98%, Boc-Ile-OH, 97%, N-Boc-L-isoleucine, >95% (HPLC), Boc–Ile–OH·1/2H2O, Boc-Ile-OH. Offered by: Combi-blocks, Chemat Brand, TRC, GLPBio, TargetMol. Available pack sizes: 1kg, 100g, 25g, 500g, 5g, on request, 10g, 500mg.