CAS 4683-51-6 appears in our catalog under these names: 4,4-Dimethylcyclopentane-1,3-dione, 4,4-Dimethylcyclopentane-1,3-dione 98%, 4,4-Dimethyl-1,3-cyclopentanedione, 98%, 98%, 4,4-DIMETHYLCYCLOPENTANE-1,3-DIONE, 98%. Offered by: Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 5g, 0,5g, 100mg, 250mg, 1g, 10g.