fosinopril sodium and its Impurities
A sodium salt of Fosinopril, which is an angiotensin converting enzyme (ACE) inhibitor. It contains phosphinate group capable of specific binding to the active site of angiotensin-converting enzyme. Reference standards of Fosinopril Sodium API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


Fosinopril Sodium - Impurity C
Mixture of (2S,4S)-4-cyclohexyl-1-[[(S)-[(1S)-2-methyl-1-(1-oxopropoxy)propoxy](4-phenylbutyl)phosphoryl]acetyl]pyrrolidine-2-carboxylic acid and (2S,4S)-4-cyclohexyl-1-[[(R)-[(1R)-2-methyl-1-(1-oxopropoxy)propoxy](4-phenylbutyl)phosphoryl]acetyl]pyrrolidine-2-carboxylic Acid
Catalogue No.:PA 06 47030
CAS :
474519-28-3
Molecular Formula : C30H46NO7P
Molecular Weight : 563.66


Fosinopril Sodium - Impurity B (Sodium Salt)
(2RS,4RS)-4-Cyclohexyl-1-[[(RS)-[(1SR)-2-methyl-1-(1-oxopropoxy)propoxy](4-phenylbutyl)phosphoryl]acetyl]pyrrolidine-2-carboxylic Acid Sodium Salt
Catalogue No.:PA 06 0470020
CAS :
1910773-96-4
Molecular Formula : C30H46NNaO7P
Molecular Weight : 563.67


Fosinopril Sodium - Impurity N
(2S,4S)-4-Cyclohexyl-1-[[(2S,4S)-4-cyclohexyl-1-[[(R)-[(1S)-2-methyl-1-(1-oxopropoxy)propoxy](4-phenylbutyl)phosphoryl]acetyl]pyrrolidin-2-yl]carbonyl]pyrrolidine-2-carboxylic acid
Catalogue No.:PA 06 0470140
CAS :
NA
Molecular Formula : C41H63N2O8P
Molecular Weight : 748.98


Fosinopril Sodium - Impurity H (Hemibarium Salt, Sesquihydrate Salt)
(2R,4S)-4-Cyclohexyl-1-[[(R)-[(1S)-2-methyl-1-(1-oxopropoxy)propoxy](4-phenylbutyl)phosphoryl]acetyl]-pyrrolidine-2-carboxylic Acid Hemibarium Salt, Sesquihydrate Salt
Catalogue No.:PA 06 0460081
CAS :
NA
Molecular Formula : C30H45NO7P·½Ba·1½H2O
Molecular Weight : 658.34


Fosinopril Sodium - Impurity C (Sodium Salt)
Mixture of (2S,4S)-4-Cyclohexyl-1-[[(S)-[(1S)-2-methyl-1-(1-oxopropoxy)propoxy](4-phenylbutyl)phosphoryl]acetyl]pyrrolidine-2-carboxylic acid Sodium Salt and (2S,4S)-4-cyclohexyl-1-[[(R)-[(1R)-2-methyl-1-(1-oxopropoxy)propoxy](4-phenylbutyl)phosphoryl]acetyl]pyrrolidine-2-carboxylic Acid Sodium Salt
Catalogue No.:PA 06 0470031
CAS :
NA
Molecular Formula : C30H45NNaO7P
Molecular Weight : 585.65


Fosinopril Sodium - Impurity D (Sodium Salt)
(2S,4R)-4-Cyclohexyl-1-[[(R)-[(1S)-2-methyl-1-(1-oxopropoxy)propoxy](4-phenylbutyl)phosphoryl]acetyl]-pyrrolidine-2-carboxylic Acid Sodium Salt
Catalogue No.:PA 06 0470041
CAS :
1356353-41-7
Molecular Formula : C30H45NNaO7P
Molecular Weight : 585.65


(2S,4S)-4-Cyclohexyl-1-(2-((S)-((R)-2-methyl-1-(propionyloxy)propoxy)(4-phenylbutyl)phosphoryl)acetyl)pyrrolidine-2-carboxylic Acid, Sodium Salt
(2S,4S)-4-Cyclohexyl-1-(2-((S)-((R)-2-methyl-1-(propionyloxy)propoxy)(4-phenylbutyl)phosphoryl)acetyl)pyrrolidine-2-carboxylic Acid, Sodium Salt
Catalogue No.:PA 06 0471003
CAS :
137625-87-7
Molecular Formula : C30H46NNaO7P
Molecular Weight : 586.66