rac-Cidofovir-d5 Diphosphate Trisodium Salt is the labelled form of Cidofovir Diphosphate Trisodium Salt (C433510). Cidofovir Diphosphate Trisodium Salt has antiviral activity, which is used against herpes viruses. Cidofovir Diphosphate is a metabolite in human cells.