CAS 539-92-4 appears in our catalog under these names: Diisobutyl carbonate, 95%, Diisobutyl Carbonate, Diisobutyl carbonate, 95%, 95%. Offered by: Combi-blocks, Chemat Brand, Chemat, Fluorochem. Available pack sizes: 1g, 250mg, 100mg, on request, 500mg.