The CD4 Antibody [YNB46.1.8 (Campath-9H)], Rat IgG1 from ProSci, Inc Monoclonal antibody to CD4. This antibody recognizes Homo Sapiens, and Human antigen. The CD4 Antibody [YNB46.1.8 (Campath-9H)], Rat IgG1 has been validated for the following applications: Flow Cytometry, Immunohistochemistry, and Immunohistochemistry - frozen.