CAS 16919-58-7 appears in our catalog under these names: Ammonium hexachloroplatinate(IV), Ammonium hexachloroplatinate(IV), Ammonium Hexachloroplatinate(IV), >95.0%(T), Ammonium hexachloroplatinate(IV), 99.00%, Ammonium hexachloroplatinate(IV), Pt 43.4% min . Offered by: GLPBio, Chemat, TCI, Thermo Scientific (Alfa Aesar), Ambeed. Available pack sizes: 1g, 250mg, 5g, 100mg.