CAS 3107-04-8 appears in our catalog under these names: DL-allo-Isoleucine, 98%, (2S,3R)-rel-2-Amino-3-methylpentanoic acid, 97%, H–DL–allo–Ile–OH, DL-ALLO-ISOLEUCINE, >=99.0%, DL-allo-Isoleucine, ≥97%, ≥97%. Offered by: Combi-blocks, AmBeed, GLPBio, Sigma-Aldrich, Chemat. Available pack sizes: 1g, 5g, 100mg, 250mg.