CAS 144-55-8 appears in our catalog under these names: Sodium hydrogen carbonate, Puratronic½, 99.998% (metals bas , Sodium hydrogen carbonate, ACS, 99.7-100.3% , Sodium hydrogen carbonate, 99% , Sodium bicarbonate, 1M buffer , Bicarbonate, 1M buffer soln., . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 10g, 50g, 500g, 2kg, 10kg, 10000g, 2500g, 250ml.