Pharmaceutical Reference Standards / Impurity Standards

Piperacilin Sodium Salt
Piperacilin Sodium Salt
  • CAT. No.P500000
  • CAS. No.59703-84-3
  • Mol. F.C23H26N5NaO7S
  • Mol. W.540.55 g/mol
  • Stock Status:Instock
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Piperacilin Acid Monohydrate
Piperacilin Acid Monohydrate
  • CAT. No.P500000A
  • CAS. No.66258-76-2
  • Mol. F.C23H29N5O8S
  • Mol. W.535.57 g/mol
  • Stock Status:Instock
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Piperacilin EP Impurity B
Piperacilin EP Impurity B
  • CAT. No.P500001
  • CAS. No.64817-22-7
  • Mol. F.C23H29N5O8S
  • Mol. W.535.57 g/mol
  • Stock Status:Instock
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Piperacillin EP Impurity F
Piperacillin EP Impurity F
  • CAT. No.P500002
  • CAS. No.NA
  • Mol. F.C25H31N5O9S
  • Mol. W.577.61 g/mol
  • Stock Status:Limited Stock
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Piperacillin EP Impurity D
Piperacillin EP Impurity D
  • CAT. No.P500003
  • CAS. No.65772-67-0
  • Mol. F.C39H44N8O10S2
  • Mol. W.848.94 g/mol
  • Stock Status:Under Synthesis
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Monodecarboxy Piperacilloic Acid
Monodecarboxy Piperacilloic Acid
  • CAT. No.P500004
  • CAS. No.64817-23-8
  • Mol. F.C22H29N5O6S
  • Mol. W.491.57 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin EP impurity E
Piperacillin EP impurity E
  • CAT. No.P500005
  • CAS. No.59702-31-7
  • Mol. F.C6H10N2O2
  • Mol. W.142.16 g/mol
  • Stock Status:Instock
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Piperacillin EP Impurity E
Piperacillin EP Impurity E
  • CAT. No.P500005A
  • CAS. No.59702-31-7
  • Mol. F.CHNO
  • Mol. W.142.16 g / mol
  • Stock Status:Please Enquire
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Piperacillin EP Impurity G
Piperacillin EP Impurity G
  • CAT. No.P500006
  • CAS. No.63422-71-9 
  • Mol. F.C15H17N3O5
  • Mol. W.319.32 g/mol
  • Stock Status:Instock
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Piperacillin impurity 5
Piperacillin impurity 5
  • CAT. No.P500008
  • CAS. No.NA
  • Mol. F.C23H27N5Na2O8S
  • Mol. W.579.53 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin Sulfoxide
Piperacillin Sulfoxide
  • CAT. No.P500010
  • CAS. No.67275-27-8
  • Mol. F.C23H27N5O8S
  • Mol. W.533.55 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin Impurity 4
Piperacillin Impurity 4
  • CAT. No.P500011
  • CAS. No.NA
  • Mol. F.C41H48N8O10S2
  • Mol. W.877.00 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin EP Impurity M
Piperacillin EP Impurity M
  • CAT. No.P500014
  • CAS. No.64844-70-8
  • Mol. F.C23H29N5O8S
  • Mol. W.535.57 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin Impurity J
Piperacillin Impurity J
  • CAT. No.P500017
  • CAS. No.NA
  • Mol. F.C23H27N5O9S
  • Mol. W.549.55 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin Impurity P
Piperacillin Impurity P
  • CAT. No.P500018
  • CAS. No.NA
  • Mol. F.C31H36N6O7S
  • Mol. W.636.72 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin Dimer
Piperacillin Dimer
  • CAT. No.P500019
  • CAS. No.2170771-53-4
  • Mol. F.C46H54N10O14S2
  • Mol. W.1035.11 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin penicilloic acid isomer
Piperacillin penicilloic acid isomer
  • CAT. No.P500020
  • CAS. No.1449784-97-7
  • Mol. F.C23H29N5O8S
  • Mol. W.535.57 g/mol
  • Stock Status:Custom Synthesis
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Open ring piperacillinylampicillin
Open ring piperacillinylampicillin
  • CAT. No.P500021
  • CAS. No.NA
  • Mol. F.C39H46N8O11S2
  • Mol. W.866.96 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin Oxalylamide Sodium Salt
Piperacillin Oxalylamide Sodium Salt
  • CAT. No.P500022
  • CAS. No.NA
  • Mol. F.C23H28N5NaO7S
  • Mol. W.541.55 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin EP Impurity F
Piperacillin EP Impurity F
  • CAT. No.P500023
  • CAS. No.NA
  • Mol. F.C25H31N5O9S
  • Mol. W.577.61 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin EP Impurity B (Mixture of Diastereomers)
Piperacillin EP Impurity B (Mixture of Diastereomers)
  • CAT. No.P500024
  • CAS. No.NA
  • Mol. F.C23H29N5O8S
  • Mol. W.535.57 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin EP Impurity S
Piperacillin EP Impurity S
  • CAT. No.P500025
  • CAS. No.NA
  • Mol. F.C31H37N7O9S2 
  • Mol. W.715.80 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin EP Impurity R
Piperacillin EP Impurity R
  • CAT. No.P500026
  • CAS. No.NA
  • Mol. F.C39H46N8O11S2
  • Mol. W.866.96 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin EP Impurity P
Piperacillin EP Impurity P
  • CAT. No.P500027
  • CAS. No.NA
  • Mol. F.C31H34N6O8S
  • Mol. W.650.70 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin EP Impurity J
Piperacillin EP Impurity J
  • CAT. No.P500028
  • CAS. No.2170771-47-6
  • Mol. F.C17H20N4O6
  • Mol. W.376.36 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin EP Impurity I
Piperacillin EP Impurity I
  • CAT. No.P500029
  • CAS. No.13833-89-1
  • Mol. F.C6H11NO3S
  • Mol. W.177.22 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin EP Impurity C
Piperacillin EP Impurity C
  • CAT. No.P500030
  • CAS. No.2649505-15-5
  • Mol. F.C22H29N5O6S
  • Mol. W.491.56 g/mol
  • Stock Status:Instock
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Piperacillin EP Impurity N
Piperacillin EP Impurity N
  • CAT. No.P500031
  • CAS. No.NA
  • Mol. F.C23H27N5O7S
  • Mol. W.517.55 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin
Piperacillin
  • CAT. No.P500032
  • CAS. No.61477-96-1
  • Mol. F.C23H27N5O7S
  • Mol. W.517.55 g/mol
  • Stock Status:Please Enquire
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Piperacillin Impurity 4
Piperacillin Impurity 4
  • CAT. No.P500033
  • CAS. No.NA
  • Mol. F.C41H48N8O10S2
  • Mol. W.877.00 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin Penilloic Acid
Piperacillin Penilloic Acid
  • CAT. No.P500034
  • CAS. No.NA
  • Mol. F.C22H29N5O6S
  • Mol. W.491.56 g/mol
  • Stock Status:Custom Synthesis
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(4R)-2-(carboxy((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid
(4R)-2-(carboxy((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid
  • CAT. No.P500035
  • CAS. No.NA
  • Mol. F.C23H29N5O8S
  • Mol. W.535.57 g/mol
  • Stock Status:Custom Synthesis
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2-(((E)-(2-((R)-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)(phenyl)methyl)-5-oxooxazol-4(5H)-ylidene)methyl)amino)-3-mercapto-3-methylbutanoic acid
2-(((E)-(2-((R)-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)(phenyl)methyl)-5-oxooxazol-4(5H)-ylidene)methyl)amino)-3-mercapto-3-methylbutanoic acid
  • CAT. No.P500036
  • CAS. No.NA
  • Mol. F.C23H27N5O7S
  • Mol. W.517.55 g/mol
  • Stock Status:Custom Synthesis
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Acetylated Penicilloic Acids of Piperacillin
Acetylated Penicilloic Acids of Piperacillin
  • CAT. No.P500037
  • CAS. No.NA
  • Mol. F.C25H31N5O9S
  • Mol. W.577.61 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin Impurity 6
Piperacillin Impurity 6
  • CAT. No.P500038
  • CAS. No.NA
  • Mol. F.C23H29N5O8S
  • Mol. W.535.60 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin EP Impurity B Sodium Salt
Piperacillin EP Impurity B Sodium Salt
  • CAT. No.P500039
  • CAS. No.NA
  • Mol. F.C23H27N5Na2O8S
  • Mol. W.579.53 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin EP Impurity K
Piperacillin EP Impurity K
  • CAT. No.P500040
  • CAS. No.NA
  • Mol. F.C23H27N5O7S
  • Mol. W.517.60 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin EP Impurity B
Piperacillin EP Impurity B
  • CAT. No.P500041
  • CAS. No.2649505-14-4
  • Mol. F.C23H29N5O8S
  • Mol. W.535.57 g/mol
  • Stock Status:Custom Synthesis
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Piperacillin Open Ring Methyl Ester
Piperacillin Open Ring Methyl Ester
  • CAT. No.P500042
  • CAS. No.NA
  • Mol. F.C24H31N5O8S
  • Mol. W.549.60 g/mol
  • Stock Status:Custom Synthesis
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