CAS 7488-54-2 appears in our catalog under these names: Rubidium sulfate, 95%, Rubidium sulfate, 99.975 %, Rubidium sulfate/ 99.9%, Rubidium sulfate, Rubidium sulfate, 99.8% (metals basis) . Offered by: Combi-blocks, Chemat Brand, Chemat, GLPBio, Thermo Scientific (Alfa Aesar). Available pack sizes: 25g, 500g, 100g, on request, 10g, 50g, 250g, 1g.