Dipeptidyl peptidase IV (DPP-IV) inhibitor. Inhibits hydrolysis of incretins, regulating blood glucose levels. Induces Src and vascular endothelium-cadherin phosphorylation, increasing vascular permeability in the retina. Also increases number of viable phenotypic long term repopulating hematopoietic stem cells when harvesting mouse bone marrow in aerobic conditions. Purity 98%. MW (observed): 341.45