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杂质对照品共匹配到20个产品,本页显示第1941至1960个

Cefaclor-d5
(6R,7R)-7-((R)-2-amino-2-(phenyl-d5)acetamido)-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

MF:C₁₅H₉D₅ClN₃O₄S| MW:372.83 | CAS:1426173-90-1

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Ampicillin EP Impurity H (Cefaclor EP Impurity F)
3-Phenylpyrazin-2-ol

MF:C₁₀H₁₈N₂O| MW:172.19 | CAS:73200-73-4

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Cefixime EP Impurity E
(6R,7R)-7-[[(2Z)-2-(2-amino-4-thiazolyl)-2-[(carboxymethoxy)imino] acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

MF:C₁₅H₁₅N₅O₇S₂| MW:441.43 | CAS:72701-01-0

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Cefixime EP Impurity D
(6R,7R)-7-((E)-2-(2-Aminothiazol-4-yl)-2-((carboxymethoxy) imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

MF:C₁₆H₁₅N₅O₇S₂| MW:453.44 | CAS:97164-56-2

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Cefixime EP Impurity C (Cefixime 7-epimer) Disodium Salt
(6R,7S)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, sodium salt (1:2)

MF:C₁₆H₁₃N₅O₇S₂. 2 Na| MW:451.43 2*22.99 | CAS:124506-28-1

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Cefixime EP Impurity B (Mixture of Diastereomers)
2-((((Z)-1-(2-aminothiazol-4-yl)-2-((((2R)-5-methyl-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)methyl)amino)-2-oxoethylidene)amino)oxy)acetic acid

MF:C₁₅H₁₇N₅O₆S₂| MW:427.45 |

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Cefixime EP Impurity A Disodium Salt (Mixture of Diastereomers)
2-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxylatomethoxy)imino) acetamido)-2-((2R)-5-methyl-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)acetate, sodium salt (1:2)

MF:C₁₆H₁₅N₅O₈S₂. 2 Na| MW:469.45 2*22.99 |

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Cefixime EP Impurity F
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((2-ethoxy-2-oxoethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

MF:C₁₈H₁₉N₅O₇S₂| MW:481.51 | CAS:79368-95-9

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Cefixime Impurity 21

MF:C₉H₁₀N₂O₃S| MW:226.25 |

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Cefixime Impurity 20
2-((((Z)-1-(2-aminothiazol-4-yl)-2-(((6aR,7R)-1,8-dioxo-1,3,4,5,6a,7-hexahydro-8H-azeto[2,1-b]pyrano[3,4-d][1,3]thiazin-7-yl)amino)-2-oxoethylidene)amino)oxy)acetic acid

MF:C₁₆H₁₅N₅O₇S₂| MW:453.44 | CAS:128012-77-1

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Cefixime Impurity 19

MF:C₁₆H₁₅N₅O₇S₂| MW:453.44 |

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Cefixime Impurity 18

MF:C₂₅H₂₃N₇O₉S₃| MW:661.68 |

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Cefixime Impurity 17 Trifluoroacetate
(6R,7R)-7-((Z)-2-(2-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy) imino)acetamido)thiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 2,2,2-trifluoroacetic acid (1:1)

MF:C₂₃H₂₀N₈O₁₁S₃. C₂HF₃O₂| MW:680.65 114.02 |

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Cefixime Impurity 16
(6R,7R)-7-((Z)-2-(2-((6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)thiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

MF:C₃₂H₂₈N₁₀O₁₃S₄| MW:888.87 |

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Cefixime Impurity 15

MF:C₇H₈ClNO₆| MW:237.59 | CAS:84080-70-6

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Cefixime-13C3-15N2

MF:
C16H15N5O7S2| MW:458.41 | CAS:NA

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Cefixime Impurity 14

MF:C₁₁H₁₇NO₆| MW:259.26 | CAS:84080-68-2

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Cefixime Impurity 13

MF:C₈H₁₃NO₄| MW:187.20 |

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Cefixime Impurity 12

MF:C₂₅H₂₄N₂O₅S| MW:464.54 | CAS:119608-90-1

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Cefixime Impurity 11

MF:C₁₇H₁₆N₂O₄S| MW:344.39 | CAS:33748-00-4

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