Medchemexpress, HY-13442A 1mg Eribulin mesylate B1939 mesylate;E7389 mesylate;ER-086526 mesylate CAS:441045-17-6 Formula:C41H63NO14S Purity:98% Eribulin (E7389;ER-086526) mesylate is a soft sponge B analogue that inhibits the proliferation of cancer cells by binding microtubule proteins and microtubules. 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.