The S100A9 (D3U8M) Rabbit mAb (BSA and Azide Free) Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to S100A9. This antibody recognizes Mouse, and Rat antigen. The S100A9 (D3U8M) Rabbit mAb (BSA and Azide Free) Antibody has been shown to work in the following applications: Flow Cytometry, Immunofluorescence, Immunohistochemistry, Immunohistochemistry - fixed, and Western Blot.