A 1545 (OTTO) Agarose Medium EEO Cas 9012-36-6 - used as the medium for analytical scale electrophoretic separation in agarose gel electrophoresis. A 1545 (OTTO) Agarose Medium EEO Cas 9012-36-6 - used widely for a number of other applications, for example immunodiffusion and immunoelectrophoresis, as the agarose fibers functions as an anchor for immunocomplexes.