CAS 4437-51-8 appears in our catalog under these names: 3,4–Hexanedione, 3,4-Hexanedione/ 98%, 3,4-Hexanedione, 90+% , 3,4-Hexanedione, >96.0%(GC), 3,4-Hexanedione, 96%. Offered by: GLPBio, Chemat, Thermo Scientific (Alfa Aesar), TCI, Thermo Scientific (Acros). Available pack sizes: 100g, 500g, 25g, 5ml, 25ml, 250ML, 1KG, 250G.