Medchemexpress, HY-B1761 500mg Santonin CAS:481-06-1 Santonin is an active principle of the plant Artemisia cina, which is formely used to treat worms. Purity:>98% 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.