CAS 543-80-6 appears in our catalog under these names: Barium acetate, Puratronic½, 99.999% (metals basis) , Barium acetate, 99% , Barium acetate, ACS, 99.0-102.0% . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 5g, 25g, 100g, 250g, 1kg, 5kg.