ampicillin and its Impurities
Ampicillin used to prevent and treat a number of bacterial infections, such as respiratory tract infections, urinary tract infections, meningitis, salmonellosis, and endocarditis. It is an antibiotic.Reference standards of Ampicillin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


(4S)-2-(1-((R)-2-Amino-2-phenylacetamido)-2-(((1R)-2-((carboxy((4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-2-oxo-1-phenylethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic Acid
(4S)-2-(1-((R)-2-Amino-2-phenylacetamido)-2-(((1R)-2-((carboxy((4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-2-oxo-1-phenylethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic Acid
Catalogue No.:PA 01 56520
CAS :
NA
Molecular Formula : C32H40N6O9S2
Molecular Weight : 716.83


(2S,5R,6R)-6-((2R)-2-(2-Ethylhexanamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid
(2S,5R,6R)-6-((2R)-2-(2-Ethylhexanamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid
Catalogue No.:PA 01 56530
CAS :
NA
Molecular Formula : C24H33N3O5S
Molecular Weight : 475.6


(2S,5R,6R)-6-((R)-2-((2S,5R,6R)-6-((R)-2-Amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid
(2S,5R,6R)-6-((R)-2-((2S,5R,6R)-6-((R)-2-Amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid
Catalogue No.:PA 01 56540
CAS :
NA
Molecular Formula : C32H36N6O7S2
Molecular Weight : 680.8


(4S)-2-(1-((R)-2-Amino-2-phenylacetamido)-2-(((1R)-2-(carboxy(((4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-2-oxo-1-phenylethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid
(4S)-2-(1-((R)-2-Amino-2-phenylacetamido)-2-(((1R)-2-(carboxy(((4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-2-oxo-1-phenylethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid
Catalogue No.:PA 54 0161001
CAS :
NA
Molecular Formula : C32H40N6O9S2
Molecular Weight : 716.83


(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.
(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
Catalogue No.:PA 54 0161002
CAS :
NA
Molecular Formula : C32H37N6Na3O9S2
Molecular Weight : 782.77


(R)-2-((2S,5R,6R)-6-((R)-2-(((E)-4-Methoxy-4-oxobut-2-en-2-yl)amino)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxamido)-2-phenylacetic Acid
(R)-2-((2S,5R,6R)-6-((R)-2-(((E)-4-Methoxy-4-oxobut-2-en-2-yl)amino)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxamido)-2-phenylacetic Acid
Catalogue No.:PAI 54 016001
CAS :
NA
Molecular Formula : C29H32N4O7S
Molecular Weight : 580.66