CAS 16405-35-9 appears in our catalog under these names: Potassium trichloro(ethylene)platinate(II) monohydrate, Pt 5, Potassium trichloro(ethylene)platinate(II) monohydrate, Pt 50.5% min . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 1g, 5g.