CAS 13347-77-8 appears in our catalog under these names: Z–Gly–Gly–Leu–OH, Z-Gly-Gly-Leu-OH, (S)-11-Isobutyl-3,6,9-trioxo-1-phenyl-2-oxa-4,7,10-triazadodecan-12-oic acid, Cbz-Gly-Gly-L-Leu-OH, 95%. Offered by: GLPBio, Biosynth, Chemat, Fluorochem. Available pack sizes: 1g, 5g, 5000mg, 10000mg, 250mg.