CAS 15956-28-2 appears in our catalog under these names: Rhodium(II) acetate, dimer, Premion|r, 99.99% (metals basis), Rhodium(II) acetate, dimer, 98+% . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 0.25g, 1g, 5g, 2g, 100mg, 500mg.