The carbons and oxygens of the carboxylic acid functional group are red. (B) This is the structure of oleic acid, an 18-carbon unsaturated fat.

In chemistry, an amino acid is a molecule that contains both amine and carboxyl functional groups. In biochemistry, this term refers to alpha-amino acids with the general formula H2NCHRCOOH, where ...

Carboxylic acids are ubiquitous in bioactive organic molecules and readily available chemical building blocks. Carboxylic ...

Esters are formed by the condensation reaction between an alcohol and a carboxylic acid. This is known as esterification. ... The functional group (-COO) is known as the ester link.

Alcohols contain the –OH functional group. Ethanol is made from sugars by fermentation, and concentrated using fractional distillation. Carboxylic acids contain the –COOH functional group.