CAS 19121-78-9 appears in our catalog under these names: Potassium hexabromoiridate(IV), Potassium hexabromoiridate(IV), 99.9% (metals basis), Ir 25., Potassium hexabromoiridate(IV), Ir 25.4% min . Offered by: GLPBio, Thermo Scientific (Alfa Aesar). Available pack sizes: 1g, 200mg, 5g.