Our affinity purified Goat anti-Mouse IgG1 isotype-specific secondary antibody is highly cross-adsorbed against against other mouse IgG subclasses (IgG2a, IgG2b, IgG3), and human, bovine and rabbit serum proteins and conjugated to CF®594 for convenient use in applications such as immunohistochemistry (IHC), immunofluorescence (IF), flow cytometry (FC) and ELISA.