Acetyl-L-phenylalanine ethyl ester is a derivative of L-Phenylalanine (P319415), a nonpolar, essential amino acid that naturally occurs in the human body and is also used to treat patients with depression. Acetyl-L-phenylalanine ethyl ester is also used to inhibit pepsin-catalyzed reactions.
Purification Methods
Crystallise the ester from aqueous EtOH or H2O. [Izumiya & Fruton J Biol Chem 218 59 1956.]