CAS 23670-45-3 appears in our catalog under these names: Copper(II) tert-butylacetoacetate 98%, COPPER(II) TERT-BUTYLACETOACETATE, 97%, Copper(II) tert-butylacetoacetate, 98%, 98%, Bis(t-butylacetoacetato)copper(II), 98%. Offered by: Ambeed, Sigma-Aldrich, Chemat, Fluorochem. Available pack sizes: 1g, 5g, 25g, 100g, 10G, 100mg, 250mg.