CAS 12081-22-0 appears in our catalog under these names: [Pd(crotyl)Cl]2 98%, (2-BUTENYL)CHLOROPALLADIUM DIMER, >=97%, (2-Butenyl)chloropalladium dimer, 98%, 98%, (2-BUTENYL)CHLOROPALLADIUM DIMER, 95%. Offered by: Ambeed, Sigma-Aldrich, Chemat, Fluorochem. Available pack sizes: 100mg, 250mg, 1g, 5g, 25g, 500mg.