Icariin/Horny Goat Weed Synonyms: Horny goat weed extract;ICARIINE;ICARRIN;epimedium extract;Epimedium herb Ext;Epimedium P.E;Epimedium Brevicornum P.E;Epimedim Brevicormum P.E CAS: 489-32-7 MF: C33H40O15 MW: 676.66