S-(-)-2-Chloropropanoic acid is primarily used as a chiral building block in the synthesis of various pharmaceuticals and agrochemicals. Its stereochemistry makes it valuable in producing enantiomerically pure compounds, which are crucial for drugs with specific biological activities. It is also employed in the preparation of herbicides and pesticides, where its structural properties enhance the efficacy of the final products. Additionally, this compound serves as an intermediate in organic synthesis, particularly in the development of fine chemicals and specialty materials. Its applications extend to research and development, where it is utilized in studying reaction mechanisms and chiral catalysis.