| Chemistry name: | 4-keto-9,11,13-octadecatrienoic acid |
| M Formula: | CH3(CH2)3(CH:CH)3(CH2)4COCH2COOH |
| Properties: | |
| White crystals. α-licanic acid (naturally occurring isomer) melts at 74–75C, readily isomerizes to the β-form, mp 99.5C. Soluble in organic solvents. | |
| Derivation: | |
| Occurs in oiticica and other oils as glycerides. | |