Chemical Name: (4S)-2-(1-((R)-2-Amino-2-phenylacetamido)-2-(((1R)-2-(((1R)-carboxy((4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-2-oxo-1-phenylethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid, Trisodium salt.
Synonym: Ampicillin Open Ring Dimer
Ampicillin EP Impurity N is chemically (4S)-2-(1-((R)-2-Amino-2-phenylacetamido)-2-(((1R)-2-(((1R)-carboxy((4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-2-oxo-1-phenylethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid, Trisodium salt.. It is also known as Ampicillin Open Ring Dimer. Ampicillin EP Impurity N is supplied with detailed characterization data compliant with regulatory guideline.