Ethyl D-(-)-pyroglutamate product Name: Ethyl D-(-)-pyroglutamate Synonyms: D-(-)-Pyroglutamic acid ethyl ester; Ethyl (R)-(-)-2-pyrrolidone-5-carboxylate; ethyl 5-oxo-D-prolinate; Ethyl D-pyroglutamate Molecular Formula: C7H11NO3 Molecular Weight: 157.1671 CAS Registry Number: 68766-96-1 Packing: 1kg/bag Assay:97% Price:$416.7/kg