CAS 16961-25-4 appears in our catalog under these names: Gold trichloride hydrochloride trihydrate, 98%, Gold(III) chloride trihydrate, Gold(III) chloride trihydrate - 50% Au, Tetrachloroauric(III) acid trihydrate, ACS reagent, Hydrogen tetrachloroaurate(III) trihydrate, 99.90%. Offered by: Combi-blocks, GLPBio, Biosynth, Thermo Scientific (Acros), Chemat. Available pack sizes: 250mg, 5g, 1g, 500mg, 0,5g, 25g, 100mg, 10g.