Choose Your Country or Region Home JAK/STAT JAK inhibitor Filgotinib (GLPG0634) For research use only. Filgotinib (GLPG0634) Catalog No.S7605 Purity:99.76% Filgotinib (GLPG0634) is a selective JAK1 inhibitor with IC50 of 10 nM, 28 nM, 810 nM, and 116 nM for JAK1, JAK2, JAK3, and TYK2, respectively.…