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Pharmaceutical analytical standards

APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

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Cefotaxime Impurity 5

ImpurityLevels of characterisation

Cat. No.: P-C090-018
Formula: C₃₂H₃₂N₁₀O₁₃S₄
Family: Cefotaxime
Synonyms: (6R,7R)-3-(Acetyloxymethyl)-7-[[(2Z)-2-[2-[[(6R,7R)-3-(acetyloxymethyl)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carbonyl]amino]-1,3-thiazol-4-yl]-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefotaxime Impurity 6

ImpurityLevels of characterisation

Cat. No.: P-C090-019
Formula: C₄₈H₄₇N₁₅O₁₉S₆
Family: Cefotaxime

Cefotaxime Impurity 7

ImpurityLevels of characterisation

Cat. No.: P-C090-021
Formula: C₂₂H₂₆N₆O₁₀S₂
Family: Cefotaxime

Cefotaxime Impurity 8

ImpurityLevels of characterisation

Cat. No.: P-C090-022
Formula: C₁₅H₁₉N₅O₅S₂
Family: Cefotaxime

Cefotaxime Impurity 9

ImpurityLevels of characterisation

Cat. No.: P-C090-023
Formula: C₁₆H₁₆N₅NaO₇S₂
Family: Cefotaxime

E-Cefotaxime S-Oxide Sodium Salt

ImpurityLevels of characterisation

Cat. No.: P-C090-047
Formula: C₁₆H₁₆N₅NaO₈S₂
Family: Cefotaxime

Cefotaxime-13C-d3

Isotopically labelledLevels of characterisation

Cat. No.: P-C090-009
Formula: C₁₅¹³CH₁₄D₃N₅O₇S₂
Family: Cefotaxime

Cefoxitin EP Impurity G

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-C093-009
Formula: C₃₁H₃₁N₅O₁₃S₄
Family: Cefoxitin
Synonyms: Cefoxitin Dimer, Cefoxitin EP Impurity G (cefoxitin dimer)

Cefoxitin EP Impurity I

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-C093-010
Formula: C₁₆H₁₇N₃O₇S₂
Family: Cefoxitin

Cefoxitin EP Impurity I Sodium Salt

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-C093-040
Formula: C₁₆H₁₆N₃NaO₇S₂
Family: Cefoxitin
Synonyms: Cefoxitin Impurity 26

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