piperacillin and its Impurities
A broad spectrum β-lactam anti bacterial agent. It belongs to ureidopenicillin penicillins class which are active against Pseudomonas aeruginosa. Pieracillin is used in the treatment of serious, hospital-acquired infections.Reference standards of Piperacillin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
2-((2-((R)-(1-Ethyl-2,3-dioxopiperazine-4-carboxamido)(phenyl)methyl)-5-oxooxazol-4(5H)-ylidene)methylamino)-3-mercapto-3-methylbutanoic acid
2-((2-((R)-(1-Ethyl-2,3-dioxopiperazine-4-carboxamido)(phenyl)methyl)-5-oxooxazol-4(5H)-ylidene)methylamino)-3-mercapto-3-methylbutanoic acid
Catalogue No.:PA 16 32540
CAS :
NA
Molecular Formula : C23H27N5O7S
Molecular Weight : 517.56
Piperacillin Sodium - Impurity M (Disodium Salt)
(2S,5R,6R)-6-[[(2R)-2-[[[2-[Ethyl(oxalo)amino]ethyl]carbamoyl]amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid Disodium Salt
Catalogue No.:PA 16 0321002
CAS :
NA
Molecular Formula : C23H29N5Na2O8S
Molecular Weight : 581.55
(2S,4S)-2-((S)-carboxy((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid
(2S,4S)-2-((S)-carboxy((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid
Catalogue No.:PA 16 0321006
CAS :
NA
Molecular Formula : C23H29N5O8S
Molecular Weight : 535.57
(2S)-2-(((E)-(2-((4-Ethyl-2,3-dioxopiperazine-1-carboxamido)(phenyl)methyl)-5-oxooxazol-4(5H)-ylidene)methyl)amino)-3-mercapto-3-methylbutanoic acid
(2S)-2-(((E)-(2-((4-Ethyl-2,3-dioxopiperazine-1-carboxamido)(phenyl)methyl)-5-oxooxazol-4(5H)-ylidene)methyl)amino)-3-mercapto-3-methylbutanoic acid
Catalogue No.:PA 16 0321009
CAS :
NA
Molecular Formula : C23H27N5O7S
Molecular Weight : 517.56
Ethyl (2S,5R,6R)-6-((R)-2-((2S,5R,6R)-6-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-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-carboxylate
Ethyl (2S,5R,6R)-6-((R)-2-((2S,5R,6R)-6-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-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-carboxylate
Catalogue No.:PA 16 0321011
CAS :
NA
Molecular Formula : C41H48N8O10S2
Molecular Weight : 877
Ethyl (2S,6R)-6-((2R)-2-((2S,6R)-6-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-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-carboxylate
Ethyl (2S,6R)-6-((2R)-2-((2S,6R)-6-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-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-carboxylate
Catalogue No.:PA 16 0321010
CAS :
NA
Molecular Formula : C41H48N8O10S2
Molecular Weight : 877
(2R,4S)-2-((R)-Carboxy((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic Acid
(2R,4S)-2-((R)-Carboxy((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic Acid
Catalogue No.:PA 16 3221000
CAS :
64817-22-7
Molecular Formula : C23H29N5O8S
Molecular Weight : 535.57
2-(((3-Acetyl-4-(ethoxycarbonyl)-5,5-dimethylthiazolidin-2-yl)methyl)amino)-2-oxo-1-phenylethyl 6-(2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
2-(((3-Acetyl-4-(ethoxycarbonyl)-5,5-dimethylthiazolidin-2-yl)methyl)amino)-2-oxo-1-phenylethyl 6-(2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
Catalogue No.:PA 16 0321013
CAS :
NA
Molecular Formula : C42H51N7O11S2
Molecular Weight : 894.03
(2R,5S,6S)-6-((S)-2-(4-Ethyl-2,3-Dioxopiperazine-1-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4,4-dioxide
(2R,5S,6S)-6-((S)-2-(4-Ethyl-2,3-Dioxopiperazine-1-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4,4-dioxide
Catalogue No.:PA 16 0321014
CAS :
NA
Molecular Formula : C23H27N5O9S
Molecular Weight : 549.56
(2R,4S)-2-(((R)-2-(4-Ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic Acid
(2R,4S)-2-(((R)-2-(4-Ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic Acid
Catalogue No.:PA 16 0321015
CAS :
64817-23-8
Molecular Formula : C22H29N5O6S
Molecular Weight : 491.56
(2R,4S)-2-((S)-Carboxy((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid
(2R,4S)-2-((S)-Carboxy((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid
Catalogue No.:PA 16 0321016
CAS :
NA
Molecular Formula : C23H29N5O8S
Molecular Weight : 535.57
