🥼organic chemistry review

Fatty acids

Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025

Definition

Fatty acids are long-chain hydrocarbons with a carboxylic acid group at one end, essential components of lipids such as waxes, fats, and oils. They can be saturated or unsaturated based on the presence of double bonds between carbon atoms.