Used primarily in pharmaceutical research as an intermediate in the synthesis of bioactive molecules, particularly in the development of receptor antagonists and kinase inhibitors. Its structure supports binding interactions in medicinal chemistry, making it valuable in optimizing drug candidates for improved potency and selectivity. Commonly employed in the design of central nervous system agents and antipsychotic compounds due to the presence of the methylpiperazine moiety, which enhances blood-brain barrier penetration. Also utilized in structure-activity relationship (SAR) studies to explore the effects of substituents on pharmacological activity.