benzylpenicillin and its Impurities
Benzylpenicillin is used to treat a number of bacterial infections. Benzylpenicillin, also known as penicillin G, is an antibiotic. Reference standards of Benzylpenicillin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


(4S)-2-(Carboxy(2-phenylacetamido)methyl)-5,5-dimethyl-3-((2-phenylacetyl)glycyl)thiazolidine-4-carboxylic Acid
(4S)-2-(Carboxy(2-phenylacetamido)methyl)-5,5-dimethyl-3-((2-phenylacetyl)glycyl)thiazolidine-4-carboxylic Acid
Catalogue No.:PA 02 23580
CAS :
NA
Molecular Formula : C26H29N3O7S
Molecular Weight : 527.59


(2R,4S)-2-((R)-1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-ethoxy-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic Acid
(2R,4S)-2-((R)-1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-ethoxy-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic Acid
Catalogue No.:PA 02 23590
CAS :
NA
Molecular Formula : C18H25N3O6S
Molecular Weight : 411.47


(2R,4S)-5,5-Dimethyl-2-((R)-2-oxo-2-(2-oxopropoxy)-1-(2-phenoxyacetamido)ethyl)thiazolidine-4-carboxylic Acid
(2R,4S)-5,5-Dimethyl-2-((R)-2-oxo-2-(2-oxopropoxy)-1-(2-phenoxyacetamido)ethyl)thiazolidine-4-carboxylic Acid
Catalogue No.:PA 02 0221001
CAS :
NA
Molecular Formula : C19H24N2O7S
Molecular Weight : 424.47