CAS 16921-30-5 appears in our catalog under these names: Potassium hexachloroplatinate(IV)/ 99.95% (metals basis) (EVE/EUD), Potassium hexachloroplatinate(IV), Potassium hexachloroplatinate(IV), Pt 39.6% , Potassium hexachloroplatinate(IV), extra pure, SLR, Potassium hexachloroplatinate(IV), ca. 40% Pt. Offered by: Chemat, GLPBio, Thermo Scientific (Alfa Aesar), Thermo Scientific (Fisher), Thermo Scientific (Acros). Available pack sizes: 5g, 1g, 250mg, 0.25g, 25g, 100G, 500mg, 10g.