CAS 100157-55-9 appears in our catalog under these names: Z-D-Allo-thr(tbu)-oh dcha, 97%, Z-D-allo-Thr(tBu)-OH · DCHA, (2R,3R)-2-(((Benzyloxy)carbonyl)amino)-3-(tert-butoxy)butanoic acid, 95%, Z–D–allo–Thr(tBu)–OH · DCHA, Cbz-D-Allo-Thr(tBu)-OH.DCHA 97% DCHA Salt. Offered by: Combi-blocks, Creative Peptides, AmBeed, GLPBio, Chemat. Available pack sizes: 25g, 10g, 1g, 5g, 250mg.