CAS 496-77-5 appears in our catalog under these names: 5–Hydroxy–4–octanone, 5-Hydroxyoctan-4-one, 85% (GC), Butyroin, Butyroin, 97%, Butyroin 85% (GC). Offered by: GLPBio, Fluorochem, Biosynth, Thermo Scientific (Acros), Ambeed. Available pack sizes: 25ml, 5ml, 250mg, 1g, 5g, 25g, 100g, 250g.