CAS 562-43-6 appears in our catalog under these names: 2,3-Dihydroxy-3-methylpentanoic acid, 95%, 2,3-Dihydroxy-3-methylpentanoate, 2,3-Dihydroxy-3-methylpentanoic acid 95%, 2,3-Dihydroxy-3-methylpentanoic acid, 95%, 95%. Offered by: AmBeed, Biosynth, Chemat. Available pack sizes: 1g, 0,1g, 50mg, 100mg, 250mg.