The RAT ANTI MOUSE IgM HEAVY CHAIN Antibody from Bio-Rad (Formerly AbD Serotec) is a Rat Monoclonal antibody to Ighm. This antibody recognizes Mouse antigen. The RAT ANTI MOUSE IgM HEAVY CHAIN Antibody has been shown to work in the following applications: EIA, Immunoassay, Histology, ELISA, Immunohistochemistry, and Immunohistochemistry - frozen.