Sodium Oxamate 1G. Sodium Oxamate, CAS: 565-73-1, MF: C2H2NO3Na, Molecular Weight: 111. 03, Purity: greater than or equal to 99% by titration, Appearance: White solid, Synonym: Aminooxoacetic acid sodium salt, Oxalic acid monoamide sodium salt, Oxamic acid sodium salt, Size: 1G