Used primarily as a key intermediate in the synthesis of certain pharmaceuticals, particularly in the development of beta-adrenergic receptor agonists. It plays a role in the production of bronchodilator drugs, which are used to treat respiratory conditions such as asthma and chronic obstructive pulmonary disease (COPD). The compound's structure allows for selective modification to enhance drug efficacy and stability. Its hydrochloride salt form improves solubility and handling during manufacturing processes. Due to its reactivity and specificity, it is also employed in research settings for developing new bioactive molecules.