The Anti-Human Complement C4, Biotin, (Polyclonal), (Goat IgG) Antibody from CEDARLANE is a Goat Polyclonal antibody to C4A. This antibody recognizes Homo Sapiens, and Human antigen. The Anti-Human Complement C4, Biotin, (Polyclonal), (Goat IgG) Antibody has been shown to work in the following applications: EIA, Immunoassay, ELISA, and Western Blot.