CAS 10034-99-8 appears in our catalog under these names: Magnesium sulfate heptahydrate, 99+% , Magnesium sulfate heptahydrate, AR, 99·0%, Magnesium sulfate heptahydrate, ACS, 98.0-102.0% , Magnesium sulfate heptahydrate . Offered by: Thermo Scientific (Alfa Aesar), GLPBio. Available pack sizes: 1000g, 5000g, 100g, 1kg, 500g, 2kg.