CAS 506-87-6 appears in our catalog under these names: Ammonium carbonate, ACS, NH_3 30.0+% , Ammonium carbonate, NH_3 ca 30% , Ammonium carbonate, Puratronic½, 99.999% (metals basis) . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 500g, 2kg, 1000g, 5000g, 10g, 50g, 250g.