Medchemexpress, HY-U00422 5mg K-756 CAS:130017-40-2 K-756 is a direct and selective tankyrase ( TNKS ) inhibitor, which inhibits the ADP-ribosylation activity of TNKS1 and TNKS2 with IC 50 s of 31 and 36 nM, respectively. 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.