Clone 9F8 has been reported to be a mouse monoclonal antibody specific to the human gene, HSPA9, or Heat shock protein family A (Hsp70) member 9. Other suppliers describe clone 9F8 to be a mouse monoclonal antibody against human GCG, or glucagon. Indicated applications for antibody clone 9F8 include Western blot, immunohistochemistry, flow cytometry, immunofluorescence, ELISA, and immunocytochemistry.