Mabuterol hydrochloride (Standard) is the standard substance of Mabuterol hydrochloride, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Mabuterol hydrochloride is a selective β2 adrenoreceptor agonist. Mabuterol has a specific effect on beta 2-adrenoceptors with no beta 1-stimulation.