Bis(4-chlorophenyl)acetic acid is primarily used in the field of organic synthesis and pharmaceutical research. It serves as a key intermediate in the production of various chemical compounds, including potential drug candidates. Its structure allows it to be a building block for the development of biologically active molecules, particularly in the synthesis of anti-inflammatory and antimicrobial agents. Additionally, it is utilized in the study of metabolic pathways and enzyme interactions, helping researchers understand the biochemical processes involved in drug action and toxicity. In industrial applications, it may also be employed in the formulation of specialty chemicals and as a precursor for advanced materials.