Ganciclovir (sodium) (Standard) is the analytical standard of Ganciclovir (sodium). This product is intended for research and analytical applications. Ganciclovir (BW 759) sodium, a nucleoside analogue, is an orally active antiviral agent with activity against CMV. Ganciclovir sodium also has activity in vitro against members of the herpes group and some other DNA viruses. Ganciclovir sodium inhibits the in vitro replication of human herpes viruses (HSV 1 and 2, CMV) and adenovirus serotypes 1, 2, 4, 6, 8, 10, 19, 22 and 28. Ganciclovir sodium has an IC50 of 5.2 µM for feline herpesvirus type-1 (FHV-1) and can diffuse into the brain[1][2][3].