Product name L-Pyroglutamic acid CAS number 98-79-3 Assay ≥99% Appearance White fine crystal Application Used in food, medisyne, cosmetics and other industries More information Synonyms: 5-Oksoprolien,5-Oksopyrrolidine-2-karboksielsuur ,L-5-Pyrrolidon-2-karboksielsuur, (S)-(-)-2-Pyrrolidone-5-carboxylic acid Molecular Formula; C5H7NO3 Molecular Weight: 129.11 CAS-registernommer: 98-79-3 EINECS: 202-700-3 Smeltpunt: 152-162 ºC