Brincidofovir and its Impurities

Brincidofovir (brand name: Tembexa) is an oral antiviral medication approved for the treatment of human smallpox disease caused by the variola virus. It is a lipid-conjugated prodrug of cidofovir, designed to improve drug delivery and reduce toxicity. Reference standards of Brincidofovir API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.