CAS 6140-61-0 appears in our catalog under these names: 4,4-Dimethyl-5-oxopentanenitrile, 95%, 4,4-Dimethyl-5-oxopentanenitrile, 4,4-Dimethyl-5-oxopentanenitrile 95%, 4,4-Dimethyl-5-oxopentanenitrile, 95%, 95%. Offered by: Combi-blocks, TRC, Ambeed, Chemat, Fluorochem. Available pack sizes: 250mg, 5g, 1g, 500mg, 10g, 100mg.