(2E,6E,10S,11S)-10,11-Dihydroxy-3,7,11-trimethyl-2,6-tridecadienoic Acid Methyl Ester is an intermediate in the synthesis of f Juvenile Hormone II which is an acyclic sesquiterpenoid that regulates many aspects of insect physiology. Juvenile Hormone regulate development, reproduction, diapause, and polyphenisms.