The CD40 (D8W3N) Rabbit mAb Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to CD40, and CD40 molecule. This antibody recognizes Homo Sapiens, and Human antigen. The CD40 (D8W3N) Rabbit mAb Antibody has been shown to work in the following applications: Simple Western, Immunohistochemistry, Immunohistochemistry - fixed, and Western Blot.