Medchemexpress, HY-10966 10mg SB-590885 CAS:405554-55-4 SB-590885 is a potent B-Raf inhibitor with Ki of 0.16 nM, and has 11-fold greater selectivity for B-Raf over c-Raf, without inhibition to other human kinases. 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.