无锡鸣鹭医药科技有限公司

Piperacillin EP Impurity B (Mixture of Diastereomers)
(4S)-2-(Carboxy((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid

MF:C₂₃H₂₉N₅O₈S| MW:535.57 |

Piperacillin-d5 (N-ethyl-d5)
(2S,5R,6R)-6-((R)-2-(4-(ethyl-d5)-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

MF:C₂₃H₂₂D₅N₅O₇S| MW:522.59 |

Piperacillin EP Impurity S Sodium Salt (Piperacillin Penicillamide Sodium Salt)
(2S,5R,6R)-6-((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)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate, sodium salt (1:1)

MF:C₃₁H₃₆N₇O₉S₂. Na| MW:714.80 22.99 |

Piperacillin Sulfoxide
(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-carboxylic acid 4-oxide

MF:C₂₃H₂₇N₅O₈S| MW:533.56 | CAS:67275-27-8

Piperacillin Impurity N

MF:C₄₆H₅₄N₁₀O₁₄S₂| MW:1035.11 | CAS:2170771-53-4

Piperacillin Impurity 1

MF:

C17H17N3O5S| MW:375.41 |

Piperacillin Impurity 2
(2R,4S)-2-((R)-1-((R)-2-(4-Ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-2-methoxy-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid

MF:C₂₄H₃₁N₅O₈S| MW:549.60 |

Piperacillin Impurity 3

MF:C₄₆H₅₆N₁₀O₁₅S₂| MW:1053.15 |

Piperacillin Impurity 4
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

MF:C₄₁H₄₈N₈O₁₀S₂| MW:877.00 |

Piperacillin Impurity 5

MF:

C23H29N5O8S| MW:535.58 | CAS:64817-22-7

Piperacillin Impurity 6

MF:C₂₃H₂₉N₅O₈S| MW:535.58 | CAS:1449784-97-7

Piperacillin EP Impurity C (Mixture of Diastereomers)
(4S)-2-(((R)-2-(4-Ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid

MF:C₂₂H₂₉N₅O₆S| MW:491.56 |

Piperacillin
(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-carboxylic acid

MF:C₂₃H₂₇N₅O₇S| MW:517.56 | CAS:61477-96-1

L-Piperacillin
(2S,5R,6R)-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

MF:C₂₃H₂₇N₅O₇S| MW:517.56 |

Piperacillin Sodium EP Impurity P
(2S,5R,6R)-6-((R)-2-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

MF:C₃₁H₃₄N₆O₈S| MW:650.71 |

Piperacillin Impurity 9

MF:

C39H46N8O11S2| MW:866.96 |

Piperacillin EP Impurity J
(R)-(2-(4-Ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetyl) glycine

MF:C₁₇H₂₀N₄O₆| MW:376.37 | CAS:2170771-47-6

Piperacillin Impurity 11

MF:C₂₂H₂₉N₅O₆S| MW:491.56 | CAS:64817-23-8

Piperacillin EP Impurity M Disodium Salt
(2S,5R,6R)-6-((R)-2-(3-(2-(1-carboxy-N-ethylformamido)ethyl)ureido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, sodium salt(1:2)

MF:C₂₃H₂₇N₅O₈S. 2 Na| MW:533.56 2*22.99 |

Piperacillin Methyl Ester
methyl (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-carboxylate

MF:C₂₄H₂₉N₅O₇S| MW:531.58 | CAS:65700-41-6