CAS 10139-58-9 appears in our catalog under these names: Rhodium(III) nitrate solution, Rhodium(III) nitrate solution, 8.00%, RHODIUM(III) NITRATE HYDRATE, APPROXIMA&, RHODIUM(III) NITRATE HYDRATE, RH APPROX&. Offered by: Chemat, Sigma-Aldrich. Available pack sizes: 1g, 5g, 25g, 250MG.