Synonymssodiumethylethoxycarbonylphosphonate; Ethoxyhydroxyphosphinecarboxylic Acid Ethyl Ester Oxide Sodium Salt; Close sodiumethylethoxycarbonylphosphonate; Ethoxyhydroxyphosphinecarboxylic Acid Ethyl Ester Oxide Sodium Salt; Related products Foscarnet Sodium EP Impurity A M.F. M.W. 152.04 2 22.99 CAT# AR-F02076 CAS# 72305-00-1 Foscarnet Sodium EP Impurity C M.F. M.W. 181.11 22.99 CAT# AR-F02077 CAS# 72304-94-0 Foscarnet Sodium EP Impurity D M.F. M.W. 210.17 CAT# AR-F02078 CAS# 1474-78-8 Foscarnet Sodium EP Impurity B M.F. M.W. 152.04 2 22.99 CAT# AR-F02079 CAS# 55920-24-6