Aminoadipic acid, also referred to as 2-Aminoadipic acid or 2-AAPA, is an organic compound with various synonyms. One alternative name is α-Aminoadipic acid, which reflects the presence of the amino (-NH2) and carboxylic acid (-COOH) functional groups. The compound can also be called α-Aminoadipate or 2-Aminohexanedioic acid. It is an important intermediate in the biosynthesis of lysine, an essential amino acid. Additionally, aminoadipic acid has been researched for potential therapeutic applications in treating certain inborn errors of metabolism. With its diverse nomenclature, aminoadipic acid plays a crucial role in biological processes and offers potential for therapeutic development.