6-Chloro-3-hydroxypyrazine-2-carboxamide (CAS No. 259793-90-3) or 5-chloro-2-oxo-1H-pyrazine-3-carboxamide is an intermediate in the synthesis of Favipiravir. Favipiravir belongs to a group of antiviral medicines employed to treat coronavirus disease. and also indicated for the treatment of influenza, ebola, and other pathogenic viral infections.
Favipiravir Chloro Homolog Impurity
“Sci-Hub, Efficacy of Favipiravir (T-705) in Nonhuman Primates Infected with Ebola Virus or Marburg Virus, 10.1016/J.antiviral.2017.12.021.” Hkvisa.net, 2017, sci-hub.hkvisa.net/10.1016/j.antiviral.2017.12.021.