arachidonic acid A long-chain fatty acid that is a C20, polyunsaturated fatty acid having four (Z)-double bonds at positions 5, 8, 11 and 14. all-cis-5,8,11,14-eicosatetraenoic acid InChI=1S/C20H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h6-7,9-10,12-13,15-16H,2-5,8,11,14,17-19H2,1H3,(H,21,22)/b7-6-,10-9-,13-12-,16-15- Arachidonsaeure Beilstein:1913991 PDBeChem:ACD ARACHIDONIC ACID 304.46690 0 cis-5,8,11,14-Eicosatetraenoic acid Wikipedia:Arachidonic_acid CCCCC\C=C/C\C=C/C\C=C/C\C=C/CCCC(O)=O cis-Delta(5,8,11,14)-eicosatetraenoic acid PMID:25584012 CHEBI:40501 AA MetaCyc:ARACHIDONIC_ACID (5Z,8Z,11Z,14Z)-Icosatetraenoic acid (5Z,8Z,11Z,14Z)-5,8,11,14-icosatetraenoic acid (5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoic acid chebi_ontology YZXBAPSDXZZRGB-DOFZRALJSA-N ARA PMID:18973997 Arachidonic acid LIPID_MAPS_instance:LMFA01030001 PMID:18931599 Arachidonate 304.24023 KEGG:C00219 PMID:15129302 C20H32O2 CHEBI:15843 HMDB:HMDB0001043 CHEBI:22608 DrugBank:DB04557 CHEBI:2799 Gmelin:58972 PMID:2820055 KNApSAcK:C00000388 Reaxys:1913991 CAS:506-32-1 fatty acid