Tags: Chemical Compound, Chemical Substance.
Chrysanthemic acid is an organic compound that is related to a variety of natural and synthetic insecticides. It is related to the pyrethrin I and II as well as the pyrethroids. One of the four stereoisomers (1R3R)- or (+)-trans-chrysanthemic acid (pictured) is the acid part of the ester pyrethrin I which occurs naturally in the seed cases of Chrysanthemum cinerariaefolium. Many synthetic pyrethroids for example the allethrins are esters of all four stereoisomers.
