(E)-3-Methyl-2-heptenoic acid Formula:C8H14O2 CAS#:3675-22-7 MW:142.2 [MS] [ NMR ] [ Synthesis ] Jmol._Canvas2D (Jmol) "jmolApplet0"[x] Dots surface: no dotsvanderWaals dots surfacesolvent-accessible surfaceSpacefill:spacefill offspacefill 20%spacefill 95%Wireframe:wireframe offwireframe onwireframe .15wireframe .25wireframe .5background ivorybackground whitebackground blackbackground yellowbackground salmonbackground palegreenbackground skyblueRed blue stereo on/offElement label on/off Species utilize (E)-3-Methyl-2-heptenoic acid in its chemical communication system Coleoptera, Bruchidae, Bruchinae, Bruchini Callosobruchus maculatus P �Category of the chemical signal A - Attractant Al - Allomone K - Kairomone P - Pheromone Sy - Synomone� �(*) indicates that compound is active� Cowpea weevil Callosobruchus subinnotatus P �Category of the chemical signal A - Attractant Al - Allomone K - Kairomone P - Pheromone Sy - Synomone� �(*) indicates that compound is active�