ALK-IN-5 is a potent, selective, and brain-penetrant inhibitor of anaplastic lymphoma kinase (ALK), with an IC50 of 2.9 nM[1]. IC50: 2.9 nM (ALK)[1]

ALK-IN-5 potently inhibits ALK with cellular IC50 of 27 nM[1].

[1]. Fushimi M, et al. Discovery of Potent, Selective, and Brain-Penetrant 1 H-Pyrazol-5-yl-1 H-pyrrolo[2,3- b]pyridines as Anaplastic Lymphoma Kinase (ALK) Inhibitors. J Med Chem. 2019 May 23;62(10):4915-4935.