Chemical Name: (4S)-2-[[[(2R)-2-Amino-2-phenylacetyl]amino]carboxymethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid (as per EP); (4S)-2-{[(R)-2-Amino-2-phenylacetamido]methyl}-5,5-dimethylthiazolidine-4-carboxylic acid (as per USP)
Synonym: Ampicillin Penicilloic Acid ; Ampicilloic acid ; α-Aminobenzylpenicilloic acid
Ampicillin EP Impurity D is chemically (4S)-2-[[[(2R)-2-Amino-2-phenylacetyl]amino]carboxymethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid (as per EP); (4S)-2-{[(R)-2-Amino-2-phenylacetamido]methyl}-5,5-dimethylthiazolidine-4-carboxylic acid (as per USP). It is also known as Ampicillin Penicilloic Acid ; Ampicilloic acid ; α-Aminobenzylpenicilloic acid. Ampicillin EP Impurity D is supplied with detailed characterization data compliant with regulatory guideline.
