CAS 120658-63-1 appears in our catalog under these names: Fmoc–Asn(Tmob)–OH, Fmoc-asn(tmob)-oh, 98%, (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-oxo-4-((2,4,6-trimethoxybenzyl)amino)butanoic acid, 97%. Offered by: GLPBio, Combi-blocks, AmBeed. Available pack sizes: 1g, 5g, 25g.