CAS 10034-82-9 appears in our catalog under these names: Sodium chromate tetrahydrate, Reagent Grade , Sodium chromate tetrahydrate, 99+% , SODIUM CHROMATE TETRAHYDRATE, 99%. Offered by: Thermo Scientific (Alfa Aesar), Sigma-Aldrich. Available pack sizes: 250g, 1kg, 100g, 500g.