... for all of our clients! Ferrous glycine SulfateFerrous glycine Sulfate, also called Iron bis-glycine chelate, ... .Molecular formula: C2H5FeNO6S Molecular weight: 227.01 Specifications:AppearanceGlycine, %Iron (Fe), %Free glycine, %Loss on Drying, %Lead (Pb), %Arsenic (As), %Chelation ...