N-[2-nitro-4-(trifluoromethyl)phenyl]piperazine is a biologically active compound belonging to the piperazine group. It is an important synthetic intermediate used in the preparation of a wide range of drugs, agrochemicals and other chemicals. It is considered an inhibitor of certain enzymes involved in drug metabolism, such as cytochrome P450 enzymes, and has also been shown to have anti-inflammatory and antitumor effects.