Arachidonic acid (5Z, 8Z, 11Z, 15Z)-Eicosatetraenoic acid C 20 H 32 O 2      Real, long lived, electronically neutral reagent chemical. Gram formula weight (molecular mass) = 304.46 Melting point = -50 °C Solubility in organics = soluble Wikipedia Page: Arachidonic acid is defined with respect to the entities below: The entities below are defined with respect to: Arachidonic acid cis Alkene (generic) Carboxylic acid (generic) Fatty acid (generic) Molecular material (generic) Natural Product chemical compound molecule metal molecular science reaction mechanism ionic material acid base geometry reactivity synthesis science knowledge chemistry Lewis