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杂质对照品共匹配到20个产品,本页显示第1341至1360个

Ceftazidime EP Impurity C Chloride
1-[[(6R,7R)-7-amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-pyridinium, chloride (1:1)

MF:C₁₃H₁₄N₃O₃S. Cl| MW:292.34 35.45 | CAS:78931-25-6

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Ceftazidime Impurity 19

MF:C₃₅H₃₃N₉O₉S₃| MW:819.88 |

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Ceftazidime Impurity 18

MF:C₁₇H₁₇N₅O₇S₂| MW:467.47 | CAS:1301254-50-1

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Ceftazidime Impurity 17 Ditrifluoroacetate
1-(((6R,7R)-7-((E)-2-(2-aminothiazol-4-yl)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)acetamido)-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl)pyridin-1-ium, 2,2,2-trifluoroacetate (1:2)

MF:C₂₆H₃₀N₆O₇S₂. 2 C₂HF₃O₂| MW:602.68 2*114.02 |

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Ceftazidime Impurity 16 Disodium Salt

MF:C₂₉H₂₉N₇O₁₃S₃. 2Na| MW:779.77 2*22.99 |

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Ceftazidime Impurity 15 Trisodium Salt

MF:C₃₈H₃₇N₁₀O₁₇S₄. 3Na| MW:1034.01 3*22.99 |

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Ceftazidime Dimer 1 Sodium Salt

MF:C₄₄H₄₁N₁₂O₁₃S₄. Na| MW:1074.12 22.99 |

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Ceftazidime Impurity 14

MF:C₁₈H₁₆N₆O₅S₂| MW:460.48 |

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Ceftazidime Impurity 13

MF:C₆H₈ClNO₄| MW:193.58 | CAS:50382-11-1

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Ceftazidime Impurity 12

MF:C₈H₉IN₂O₃S| MW:340.14 | CAS:83654-89-1

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Ceftazidime Impurity 11

MF:C₈H₇N₅O₃S| MW:253.24 |

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Ceftazidime EP Impurity B Trifluoroacetate
(6R,7R)-7-((E)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate, 2,2,2-trifluoroacetic acid (1:1)

MF:C₂₂H₂₂N₆O₇S₂. C₂HF₃O₂| MW:546.58 114.02 |

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Ceftazidime Impurity 10

MF:C₁₃H₁₁N₅O₅S₂| MW:381.38 |

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Ceftazidime Impurity 9

MF:
C22H22N6O8S2 | MW:562.57 |

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Ceftazidime Impurity 6

MF:
C22H24N6O8S2| MW:564.59 |

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Ceftazidime Impurity 5
tert-butyl (E)-2-(((1-(2-aminothiazol-4-yl)-2-(benzo[d]thiazol-2-ylthio)-2-oxoethylidene)amino)oxy)-2-methylpropanoate

MF:C₂₀H₂₂N₄O₄S₃| MW:478.60 |

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Ceftazidime Impurity 4 (6S,7R-isomer)

MF:
C22H22N6O7S2| MW:546.57 |

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Ceftazidime Impurity 3 (6S,7S-isomer)

MF:
C22H22N6O7S2| MW:546.57 |

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Ceftazidime Impurity 2 (6R,7S-isomer)

MF:
C22H22N6O7S2| MW:546.57 |

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Ceftazidime Impurity 1
(Z)-2-(2-aminothiazol-4-yl)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)acetic acid

MF:
C13H19N3O5S| MW:329.37 | CAS:86299-47-0

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