CAS 12135-22-7 appears in our catalog under these names: Palladium hydroxide, 99% , Palladium hydroxide, Pd 5% on carbon powder, Type A403002-5,, Palladium hydroxide, Pd 20% on carbon, nominally 50% water, . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 0.25g, 1g, 5g, 2g, 10g, 50g.