Lasalocid sodium (Standard) is the standard substance of Lasalocid sodium, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Lasalocid sodium (Lasalocid-A sodium) is a cationic ionophore antibiotic obtained from Streptomyces lasaliensis that, among other effects, dissociates the calcium fluxes in muscle fibers. Lasalocid sodium is used as a coccidiostat, especially in poultry.