Eupenifeldin and its Impurities

Eupenifeldin is a natural compound classified as a bisbenzylisoquinoline alkaloid derivative. It is isolated from certain fungal species, particularly Eupenicillium strains. It has attracted attention for its bioactive properties, especially in cancer research. Reference standards of Eupenifeldin API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.