Category
Chemical Primary Standard
CAS Number
22059-21-8
Molecular Formula
C4H7NO2
Molecular Weight
101.11 g/mol
Synonym

1-Aminocyclopropanecarboxylic Acid; 1-Amino-1-carboxycyclopropane; 1-Aminocyclopropane-1-carboxylate; 1-Aminocyclopropanecarboxylic Acid; ACC; α-Aminocyclopropanecarboxylic Acid;

Keywords
Miscellaneous compounds
Slide_1

1-Aminocyclopropane-1-carboxylic acid (ACC) is a non-protein amino acid with the molecular formula C₄H₇NO₂ and serves as the immediate precursor of ethylene in plants. It plays a crucial role in regulating plant growth, fruit ripening, and stress responses by participating in the ethylene biosynthesis pathway.