cilastatin and its Impurities
Cilastatin is used to treat certain serious infections that are caused by bacteria, including endocarditis and respiratory tract, urinary tract, abdominal, gynecological, blood, skin, bone, and joint infections. Reference standards of Cilastatin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


(Z)-7-(((S)-2-Amino-2-carboxyethyl)thio)-2-((S)-2,2-dimethylcyclopropane-1-carboxamido)hept-2-enoic acid
(Z)-7-(((S)-2-Amino-2-Carboxyethyl)thio)-2-((S)-2,2-Dimethylcyclopropane-1-Carboxamido)hept-2-enoic Acid
Catalogue No.:PA 82 0231001
CAS :
107873-05-2
Molecular Formula : C16H26N2O5S
Molecular Weight : 358.45


7-((2-Amino-2-carboxyethyl)thio)-2-(2,2-dimethylcyclopropane-1-carboxamido)hept-2-enoic Acid
7-((2-Amino-2-carboxyethyl)thio)-2-(2,2-dimethylcyclopropane-1-carboxamido)hept-2-enoic Acid
Catalogue No.:PA 82 0231003
CAS :
78852-98-9
Molecular Formula : C16H26N2O5S
Molecular Weight : 358.45


(Z)-7-(((S)-2-Carboxy-2-((S)-2,2-dimethylcyclopropane-1-carboxamido)ethyl)thio)-2-((S)-2,2-dimethylcyclopropane-1-carboxamido)hept-2-enoic Acid
(Z)-7-(((S)-2-Carboxy-2-((S)-2,2-dimethylcyclopropane-1-carboxamido)ethyl)thio)-2-((S)-2,2-dimethylcyclopropane-1-carboxamido)hept-2-enoic Acid
Catalogue No.:PA 82 0231007
CAS :
NA
Molecular Formula : C22H34N2O6S
Molecular Weight : 454.58