2-(4-Nitrophenyl)butanoic acid is widely used in organic synthesis as an intermediate for the preparation of various pharmaceuticals and agrochemicals. It serves as a key building block in the development of compounds with potential anti-inflammatory and analgesic properties. Additionally, it is utilized in research laboratories for studying enzyme inhibition and receptor binding activities, particularly in the context of designing new therapeutic agents. Its nitro group makes it a valuable precursor in the synthesis of more complex molecules through reduction or substitution reactions.