Used primarily as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of sympathomimetic agents and adrenergic drugs. It plays a key role in the preparation of certain bronchodilators and decongestants due to its structural similarity to active components in such medications. Its chlorinated phenolic structure with an aminoethyl group allows for specific interactions in biological systems, making it valuable in medicinal chemistry for optimizing drug efficacy and selectivity. Also utilized in research settings for developing novel bioactive molecules and studying structure-activity relationships in amine-containing phenolic compounds.