Medchemexpress, HY-14949C 5mg Cevipabulin fumarate CAS:849550-67-0 Cevipabulin fumarate (TTI-237 fumarate) is an oral, microtubule-active, antitumor compound and inhibits the binding of [ 3 H] vinblastine to tubulin, with an IC 50 of 18-40 nM for cytotoxicity in human tumor cell line [1] [2] . 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.