CAS 7487-88-9 appears in our catalog under these names: Magnesium sulfate, anhydrous, 99.5% min , Magnesium sulfate, 1M aq. soln., sterile-filtered , Magnesium sulfate, 1M aq. soln . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 500g, 2kg, 10kg, 125ml, 250ml, 50ml, 100ml.