

Spinosyn A, along with its almost identical isomer, spinosyn D, is a component of spinosad, a US Environmental Protection Agency鈥搑egistered insecticide and Food and Drug Administration鈥搑egistered topical treatment for head lice. The active ingredients are produced by the bacterium聽Saccharopolyspora spinosa. An enzyme in genes extracted from in this bacterium is the聽, a step in spinosyn biosynthesis.

, the most authoritative and comprehensive source for chemical information.
Molecule of the Week needs your suggestions!
If your favorite molecule is not in our聽archive, please send us a message. The molecule can be notable for its current or historical importance or for any quirky reason. Thank you!
Stay Ahead of the Chemistry Curve
Learn how ACS can help you stay ahead in the world of chemistry.