Notes: 15-PGDH Positive Control (PGE2) has been tested and formulated to work exclusively with Cayman’s 15-hydroxy Prostaglandin Dehydrogenase Substrate Screening Kit (Item No. 701980). Please visit 15-hydroxy Prostaglandin Dehydrogenase Substrate Screening Kit (Item No. 701980) for the kit protocol, procedures, and product handling.