Mouse Anti-Rat IgM antibody [M2A1] (HRP) Cat. No. GTX04143-01 Cat. No. GTX04143-01 GTX04143-01 ELISA Image ELISA analysis of purified rat immunoglobulins using serially diluted GTX04143-01 Mouse Anti-Rat IgM antibody [M2A1] (HRP). See all Rat IgM products