CAS 51850-20-5 appears in our catalog under these names: Dihydrogen hexahydroxyplatinate(lV)/ 99.95% (metals basis), Dihydrogen hexahydroxyplatinate(IV), 99.9% (metals basis), , Dihydrogen hexahydroxyplatinate(lV), 99.95% (metals basis), Hydrogen hexahydroxyplatinate(IV) 98%, HYDROGEN HEXAHYDROXYPLATINATE(IV), 99.9&. Offered by: Chemat, Thermo Scientific (Alfa Aesar), Ambeed, Sigma-Aldrich, Fluorochem. Available pack sizes: 5g, 1g, 0.5g, 250mg, 2.5G, 500MG.