What is "heptanoic acid"

n. (context chemistry English) the aliphatic carboxylic acid having seven carbon atoms, CH₃(CH₂)₅COOH; enanthic acid

Heptanoic acid, also called enanthic acid, is an organic compound composed of a seven-carbon chain terminating in a carboxylic acid. It is an oily liquid with an unpleasant, rancid odor. It contributes to the odor of some rancid oils. It is slightly soluble in water, but very soluble in ethanol and ether.