meropenem and its Impurities
It is a broad spectrum antibiotic which belongs to β-lactam class. Meropenem is bactericidal in most cases and it inhibits the synthesis of bacterial cell wall. It belongs to subgroup of carbapenem.Reference standards of Meropenem API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
(2S,4S)-4-(Acetylthio)-2-[(dimethylamino)carbonyl]-1-pyrrolidinecarboxylic Acid 4-Nitrobenzyl Ester-d6
(2S,4S)-4-(Acetylthio)-2-[(dimethylamino)carbonyl]-1-pyrrolidinecarboxylic Acid 4-Nitrobenzyl Ester-d6
Catalogue No.:PA STI 088102
CAS :
1246816-04-5
Molecular Formula : C17H15D6N3O6S
Molecular Weight : 401.47
(2S,4R)-2-[(Dimethylamino)carbonyl]-4-hydroxy-1-pyrrolidinecarboxylic Acid-d6 4-Nitrobenzyl Ester
(2S,4R)-2-[(Dimethylamino)carbonyl]-4-hydroxy-1-pyrrolidinecarboxylic Acid-d6 4-Nitrobenzyl Ester
Catalogue No.:PA STI 088103
CAS :
1246814-87-8
Molecular Formula : C15H13D6N3O6
Molecular Weight : 343.36
(2S,4R)-2-[(Dimethylamino)carbonyl]-4-[(methylsulfonyl)oxy]-1-pyrrolidinecarboxylic Acid-d6 4-Nitrobenzyl Ester-d6
(2S,4R)-2-[(Dimethylamino)carbonyl]-4-[(methylsulfonyl)oxy]-1-pyrrolidinecarboxylic Acid-d6 4-Nitrobenzyl Ester-d6
Catalogue No.:PA STI 088104
CAS :
1246818-66-5
Molecular Formula : C16H15D6N3O8S
Molecular Weight : 421.46
4-Nitrobenzyl (4R,5S,6S)-3-[(Diphenylphosphono)oxy]-6-[(R)-1-hydroxyethyl]- 4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
4-Nitrobenzyl (4R,5S,6S)-3-[(Diphenylphosphono)oxy]-6-[(R)-1-hydroxyethyl]- 4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
Catalogue No.:PA 13 22510
CAS :
90776-59-3
Molecular Formula : C29H27N2O10P
Molecular Weight : 594.52
(S)-2-((2S,3S)-3-((R)-1-((tert-Butyldimethylsilyl)oxy)ethyl)-4-oxoazetidin-2-yl)propanoic Acid
(S)-2-((2S,3S)-3-((R)-1-((tert-Butyldimethylsilyl)oxy)ethyl)-4-oxoazetidin-2-yl)propanoic Acid
Catalogue No.:PA 13 0221001
CAS :
97101-07-0
Molecular Formula : C14H27NO4Si
Molecular Weight : 301.46
(R)-2-((2S,3R)-3-((R)-1-((tert-Butyldimethylsilyl)oxy)ethyl)-4-oxoazetidin-2-yl)propanoic acid
(R)-2-((2S,3R)-3-((R)-1-((tert-Butyldimethylsilyl)oxy)ethyl)-4-oxoazetidin-2-yl)propanoic acid
Catalogue No.:PA 13 0221002
CAS :
NA
Molecular Formula : C14H27NO4Si
Molecular Weight : 301.46
(4R,5S,6S)-3-(((3R,5S)-5-(Dimethylcarbamoyl)pyrrolidin-3-yl)thio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic Acid
(4R,5S,6S)-3-(((3R,5S)-5-(Dimethylcarbamoyl)pyrrolidin-3-yl)thio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic Acid
Catalogue No.:PA 13 2591002
CAS :
NA
Molecular Formula : C17H25N3O5S
Molecular Weight : 383.46