CAS 27988-77-8 appears in our catalog under these names: Hydrogen tetrachloroaurate(III) hydrate, 99.9% (metals basi , Hydrogen tetrachloroaurate(III) hydrate, Premion«, 99.995% (, Hydrogen tetrachloroaurate(III) hydrate, 99.9% (metals basis), Au 49% min , Hydrogen tetrachloroaurate(III) hydrate, Premion|r, 99.995% (metals basis), Au 49% min . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 5g, 1g, 25g, 100g.