Medchemexpress, HY-N0862 10mg Harringtonine CAS:26833-85-2 Formula:C28H37NO9 Purity:98% Harringtonine, a natural Cephalotaxus alkaloid, is an inhibitor of protein synthesis. Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.