CAS 2068-83-9 appears in our catalog under these names: (S)–3–Hydroxyisobutyric acid, 3-Hydroxy-2-methylpropionic acid, 3-Hydroxyisobutyric acid 95% (NMR), 2-Methyl-3-hydroxypropanoic acid, 97%, 97%, 3-Hydroxyisobutyric acid (Standard). Offered by: GLPBio, Biosynth, Ambeed, Chemat, MedChemExpress. Available pack sizes: 5mg, 100mg, 50mg, 250mg, 500mg, 1000mg, 1g, 5g.