Clone 9B8 has been reported to be a mouse monoclonal antibody specific to the human gene, CBWD1, or COBW domain containing 1. Other suppliers describe clone 9B8 to be a mouse monoclonal antibody against human CFB, or complement factor B. Indicated applications for antibody clone 9B8 include Western blot, immunohistochemistry, flow cytometry, immunofluorescence, and ELISA.