Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) where stereochemistry plays a critical role in biological activity. Its asymmetric structure makes it valuable in creating enantiomerically pure compounds, especially in central nervous system agents, antivirals, and kinase inhibitors. Commonly employed in medicinal chemistry for structure-activity relationship (SAR) studies due to its ability to modulate solubility, bioavailability, and binding affinity. Also utilized in agrochemicals for the design of bioactive molecules with enhanced selectivity.