Used as a research chemical in pharmacological studies, particularly in the development and testing of bronchodilator agents for respiratory conditions such as asthma and chronic obstructive pulmonary disease (COPD). It acts as a selective beta-2 adrenergic receptor agonist, making it valuable for investigating airway smooth muscle relaxation and anti-inflammatory effects in the lungs. Commonly employed in preclinical trials to evaluate efficacy, safety, and mechanism of action of new inhalation therapies. Also utilized in structure-activity relationship (SAR) studies to design improved beta-agonists with longer duration of action and fewer side effects.