Undecylic acid (systematically named undecanoic acid) is a carboxylic acid with chemical formula CH3(CH2)9COOH.
It is often used as an antifungal agent, to treat ringworm and athlete's foot, for example.
[1] Like decanoic acid, it has a distinctive, unpleasant odor.
This article about an organic compound is a stub.
You can help Wikipedia by expanding it.