CAS 15336-18-2 appears in our catalog under these names: Ammonium hexachlororhodate(III) hydrate, Premion½, 99.995% , Ammonium hexachlororhodate(III) hydrate, Premion|r, 99.99% (. Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 1g, 5g.