A ready-to-use sample for WB. As such, it is an excellent positive control for the following Cayman polyclonal and monoclonal antibodies: Item No. 160110, 160140, 101770, 101775, 101802, and 160602. *NOTE: Cayman Chemical Catalog No. 360100, COX-1 (ovine) Electrophoresis Standard, is available for more quantitative use.