CAS 139566-53-3 appears in our catalog under these names: Copper(i)/(ii) hexafluoro-2,4-pentanedionate-vinyltrimethylsilane complex, 95%, Copper (trimethylvinylsilyl)hexafluoroacetylacetonate, 98%. Offered by: Combi-blocks, Ambeed. Available pack sizes: 1g, 5g, 250mg.