Medchemexpress, HY-50847 200mg ZSTK474 CAS:475110-96-4 ZSTK474 is an ATP-competitive pan-class I PI3K inhibitor with IC50s of16 nM, 44 nM, 4.6 nM and 49 nM for PΙ3Κα, PI3Kβ, PI3Kδ and PI3Kγ, 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.