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杂质对照品共匹配到20个产品,本页显示第1321至1340个

Entecavir EP Impurity E (8-Methoxy Entecavir)
2-Amino-9-((1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-8-meth

MF:C₁₃H₁₇N₅O₄| MW:307.31 | CAS:2203740-23-0

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Entecavir EP Impurity D HCl (4-epi Entecavir HCl)
2-amino-9-((1S,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one, hydrochloride (1:1)

MF:C₁₂H₁₅N₅O₃. HCl| MW:277.29 36.46 |

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Entecavir Impurity E

MF:
C14H21N5O4Si| MW:351.44 | CAS:N/A

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Entecavir Impurity A

MF:C₁₂H₁₅N₅O₄| MW:293.28 |

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Entecavir EP Impurity C (8-Hydroxy Entecavir)
2-amino-8-hydroxy-9-((1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one

MF:C₁₂H₁₅N₅O₄| MW:293.28 |

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Entecavir EP Impurity F
Entecavir Related Compound A

MF:
C27H31N5O2Si| MW:485.67 | CAS:649761-24-0

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Dibenzyl Entecavir (3',5'-Di-O-Benzyl Entecavir)

MF:
C26H27N5O3| MW:457.53 | CAS:142217-81-0

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Entecavir
2-Amino-9-((1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one

MF:C₁₂H₁₅N₅O₃| MW:277.28 | CAS:142217-69-4

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Ceftazidime Impurity 21
(6R,7R)-7-((Z)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl) oxy)imino)-2-(2-(tritylamino)thiazol-4-yl)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

MF:C₄₅H₄₄N₆O₇S₂| MW:845.00 | CAS:73547-69-0

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Ceftazidime
(6R,7R)-7-((Z)-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

MF:C₂₂H₂₂N₆O₇S₂| MW:546.57 | CAS:72558-82-8

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Ceftazidime Impurity 7
tert-Butyl (Z)-2-(((1-(2-aminothiazol-4-yl)-2-(benzo[d]thiazol-2-ylthio)-2-oxoethylidene)amino)oxy)-2-methylpropanoate

MF:
C20H22N4O4S3| MW:478.61 | CAS:158183-05-2

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Ceftazidime EP Impurity H
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((1-methoxy-2-methyl-1-oxopropan-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

MF:C₂₃H₂₄N₆O₇S₂| MW:560.60 | CAS:1354396-23-8

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Ceftazidime EP Impurity G

MF:
C11H14N4O5S| MW:314.32 | CAS:194241-83-3

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Ceftazidime EP Impurity E
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-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

MF:C₂₆H₃₀N₆O₇S₂| MW:602.68 | CAS:102772-66-7

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Ceftazidime Impurity 25

MF:C₂₁H₂₄N₆O₆S₂| MW:520.58 |

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Ceftazidime Impurity 24

MF:C₁₃H₁₃N₃O₃S| MW:291.33 |

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Ceftazidime Impurity 23

MF:C₂₃H₁₇N₅O₃S₅| MW:571.72 |

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Ceftazidime Impurity 22

MF:C₁₇H₁₆N₄O₄S₃| MW:436.52 | CAS:2647895-25-6

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Ceftazidime EP Impurity G Bisulfite Adduct Sodium Salt
(Z)-2-(2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy) imino)acetamido)-1-hydroxyethane-1-sulfonate, sodium salt (1:1)

MF:C₁₁H₁₅N₄O₈S₂. Na| MW:395.38 22.99 |

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Ceftazidime Impurity 20

MF:C₂₃H₃₂N₆O₇S₂| MW:568.66 |

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