Used primarily as an intermediate in the synthesis of pharmaceuticals, particularly in the development of central nervous system agents. It serves as a building block for compounds with potential antidepressant or stimulant activity. Also utilized in research settings for the preparation of analogs in medicinal chemistry. Its hydrochloride salt form enhances stability and solubility, making it suitable for laboratory and analytical applications. However, it is not approved for medical use, and its handling must be under strict control according to controlled substance laws.