Name: Foscarnet Sodium REMARK: Molecular formula:CNa3O5P·6H2O Molecular weight::300.04   Specification:  Appearance White crystalline powder Alkalinity 9.5-10.5 Solution clarity and color The solution should be clear and colorless Phosphate ≤0.45% Phosphite ≤0.38% Loss on drying 35.0-37.0% Assay Not less than 99.0% of CNa3O5P on the anhydrous basis.     Use:Anti-viral drugs