Naphthol AS D Esterase (alpha-Naphthyl Acetate Esterase; ANAE; Naphthol AS D Acetatesterase; Naphthol AS D Chloroacetate Esterase)
Hydrolytic enzyme activity used as a histocytochemical test for the presence of esterases in tissue. Substrate used is 3-hydroxy-4'-nitro-2-naphthanilide chloroacetate (naphthol AS-D).