Acy or ACY may refer to:
Acyrthosiphon pisum, commonly known as the pea aphid (and colloquially known as the green dolphin, pea louse, and clover louse ), is a sap-sucking insect in the Aphididae family.
Acyl-CoA thioesterase 9 is a protein that is encoded by the human ACOT9 gene. It is a member of the acyl-CoA thioesterase superfamily, which is a group of enzymes that hydrolyze Coenzyme A esters.
In organic chemistry, an acyl chloride (or acid chloride) is an organic compound with the functional group -COCl.
Acy-Romance is a French commune in the Ardennes department in the Grand Est region of northern France.
Acy is a French commune in the department of Aisne in the Hauts-de-France region of northern France.
An acyl group (/ˈæsɪl/ or /ˈeɪsaɪl/) is a functional group derived by the removal of one or more hydroxyl groups from an oxoacid, including inorganic acids.
Acyl-CoA dehydrogenases (ACADs) are a class of enzymes that function to catalyze the initial step in each cycle of fatty acid β-oxidation in the mitochondria of cells.
An acyl halide (also known as an acid halide) is a chemical compound derived from an oxoacid by replacing a hydroxyl group with a halide group.
Acyl-homoserine-lactone synthase (EC 18.104.22.168) is an enzyme with systematic name acyl-(acyl-carrier protein):S-adenosyl-L-methionine acyltranserase (lactone-forming, methylthioadenosine-releasing).