Acycloguanosine CAS: 59277-89-3 Name: acycloguanosine Alias: acyclovir; acyclic guanine; the acyclic guanosine; open chain guanosine; hydroxyethoxy methyl guanine; EC NO: 261-685-1 MF: C8H11N5O3 Molecular Weight: 225.20 Assay: 98.5-101.0% Quality standards: CP-2000, BP-98, USO-24 Appearance: white crystalline powder