CAS 22189-08-8 appears in our catalog under these names: Magnesium sulfate hydrate, 99.997 %, Magnesium sulfate hydrate, Puratronic|r, 99.997% (metals bas, Magnesium sulfate, dried, contains ca 1-2 mol water of hydra, Magnesium sulfate, extra pure, SLR, dried, Magnesium sulfate, 99%, extra pure, dried, contains 3 to 4 moles of water. Offered by: Chemat Brand, Thermo Scientific (Alfa Aesar), Thermo Scientific (Fisher), Thermo Scientific (Acros), Sigma-Aldrich. Available pack sizes: on request, 10g, 50g, 2500g, 100g, 500g, 1KG, 2KG.