The molecule is a hydroperoxy fatty acid that is (5Z,8Z,10E,14Z,17Z)-icosapentaenoic acid in which the hydroperoxy group is located at the 12-position. It has a role as a platelet aggregation inhibitor. It is a hydroperoxy fatty acid, a long-chain fatty acid and a polyunsaturated fatty acid. It derives from an all-cis-5,8,11,14,17-icosapentaenoic acid. It is a conjugate acid of a 12-HPEPE(1-).
(5Z,8Z,10E,14Z,17Z)-12-hydroperoxyicosa-5,8,10,14,17-pentaenoic acid