We are the prefessional manufactor of amino acid in China. We provide high quality, lowest price and reliable service. Product Name: Pyr-OEt CAS#:7149-65-7 Synonyms: L-Pyroglutamic acid ethyl ester Molecular Formula: C7H11NO3 Molecular Weight: 157.17 Appearance: Colorless or yellowish oily liquid Purity: min 98%