CAS 7722-76-1 appears in our catalog under these names: Ammonium dihydrogen phosphate, Puratronic½, 99.995% (metals , Ammonium dihydrogen phosphate, 98% , Ammonium dihydrogen phosphate, ACS, 98.0% min . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 25g, 100g, 10000g, 2500g, 500g, 2kg.