The CXCR4 (D4Z7W) Rabbit mAb (BSA and Azide Free) Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to CXCR4. This antibody recognizes Homo Sapiens, and Human antigen. The CXCR4 (D4Z7W) Rabbit mAb (BSA and Azide Free) Antibody has been shown to work in the following applications: Immunohistochemistry, and Immunohistochemistry - fixed.