CAS 3392-11-8 appears in our catalog under these names: Boc-trp-osu, 96%, Boc–Trp–OSu, Boc-L-Trp-OSu, Na-Boc-L-tryptophan N-hydroxysuccinimide ester, Boc-Trp-OSu 96%. Offered by: Combi-blocks, AmBeed, GLPBio, Iris Biotech, Biosynth. Available pack sizes: 5g, 100g, 25g, 250mg, 2g, 10g, 50g, 1g.