CAS 12285-90-4 appears in our catalog under these names: Potassium hexahydroxoplatinate, Potassium hexahydroxyplatinate(IV), Premion|r, 99.95% (metal, Potassium hexahydroxoplatinate 98%, Potassium hexahydroxoplatinate, 98%, 98%, Potassium hexahydroxoplatinate, 98%. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 5g, 100mg, 250mg.