Ertapenem Impurity 18 Price Not Available inquiry Ertapenem Impurity 18 Supplier Page Catalog Number APB866186687 Alternative Name(s) (3S,4S,4aS,5R)-6-(((3S,5S)-5-((3-carboxyphenyl)carbamoyl)pyrrolidin-3-yl)thio)-3,5-dimethyl-1-oxo-3,4,4a,5-tetrahydro-1H-pyrrolo[1,2-c][1,3]oxazine-4,7-dicarboxylic acid Molecular Formula C23H25N3O9S CAS# 866186-68-7 Size inquiry Supplier Page https://reagents.alfa-chemistry.com/product/ertapenem-impurity-cas-866186-68-7-78653.html