Mouse anti-Rat C Peptide Monoclonal antibody [clone B172M] for sELISA, Pr*. Suitable for use in ELISA and Sandwich type immunoassay. Each laboratory should determine an optimum working titer for use in its particular application. Other applications have not been tested but use in such assays should not necessarily be excluded. Recommended antibody pair for immunoassay. Crossreactivity of the recommended pair with native rat proinsulin is 0.1%.