Nitroxynil (Standard) is the standard substance of Nitroxynil, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Nitroxynil (4-Hydroxy-3-iodo-5-nitrobenzonitrile) is an anthelmintic compound that effectively targets parasites in both adult and immature stages. It is extensively employed in investigations pertaining to Fasciola hepatica infection.