Taribavirin hydrochloride is an orally active inosine monophosphate dehydrogenase inhibitor, has activity against a wide range of viruses, especially the hepatitis C virus and influenza virus. Taribavirin hydrochloride is a Ribavirin prodrug, is designed to concentrate within the liver to target HCV-infected hepatocytes while minimizing distribution within red blood cells (RBCs) and the development of hemolytic anemia[2].IC50 & Target: Inosine monophosphate dehydrogenaseIn Vitro: Taribavirin hydrochloride (0-2 μM; 24 hours) significantly induces MCF-7 cell death, recording half inhibitory effect (IC50) of 0.756 μM in MCF-7 cells.