Shelf life (days): 1460.0
Formulation: A crystalline solid
Formal Name: 1-[(3R)-3-[4-amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl]-1-piperidinyl]-2-propen-1-one
Purity: ≥98%
Formula Markup: C25H24N6O2
Formula Weight: 440.5
CAS Number: 936563-96-1
Notes: Bruton’s tyrosine kinase (BTK) is a member of the BTK/Tec family of protein tyrosine kinases involved in signal transduction pathways regulating proliferation, survival, migration, and tissue homing of B-cells.{24859} Ibrutinib is an irreversible inhibitor of BTK (IC50 = 0.5 nM) that selectively blocks B cell activation, promoting apoptosis and preventing homing to the protective tumor microenvironment, at concentrations that do not affect T cell receptor signaling (1,000-fold more potent).{27081,27080} It has been reported to inhibit autophosphorylation of BTK (IC50 = 11 nM), phosphorylation of PLCγ (IC50 = 29 nM), a substrate of BTK, and phosphorylation of ERK (IC50 = 13 nM), a further downstream kinase.{27081} Its use has been examined clinically for the treatment of diseases associated with B cell antigen receptor signaling, including mantle cell lymphoma, chronic lymphocytic leukemia, and non-Hodgkin lymphoma.{24859,27081,24780}