The SS18-SSX (E9X9V) XP ® Rabbit mAb (BSA and Azide Free) Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody. This antibody recognizes Homo Sapiens, and Human antigen. The SS18-SSX (E9X9V) XP ® Rabbit mAb (BSA and Azide Free) Antibody has been shown to work in the following applications: Immunohistochemistry, Immunohistochemistry - fixed, and Western Blot.