CAS 7788-98-9 appears in our catalog under these names: Ammonium chromate, amonu chromian r-r 0,05mol/l , amonu chromian r-r 0,1mol/l , amonu chromian r-r 0,5mol/l , amonu chromian r-r 1mol/l . Offered by: Biosynth, Chempur. Available pack sizes: 250g, 500ml, 1l, 50g, 100g, 500g, 1kg, 25g.