The FGF Receptor 4 (D3B12) XP ® Rabbit mAb (BSA and Azide Free) Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to FGFR4. This antibody recognizes Homo Sapiens, and Human antigen. The FGF Receptor 4 (D3B12) XP ® Rabbit mAb (BSA and Azide Free) Antibody has been shown to work in the following applications: EIA, Immunoassay, ELISA, Immunocytochemistry, Immunofluorescence, and Western Blot.