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Pharmaceutical analytical standards

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

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Fludarabine Impurity 3

ImpurityLevels of characterisation

Cat. No.: P-F071-013
Formula: C₁₈H₁₉NO₁₁
Family: Fludarabine
Synonyms: [(2S,3S,4S,5R)-3,4-Diacetyloxy-5-(acetyloxymethyl)oxolan-2-yl] 4-nitrobenzoate

Fludarabine Impurity 4

ImpurityLevels of characterisation

Cat. No.: P-F071-014
Formula: C₁₈H₁₉NO₁₁
Family: Fludarabine

Fludarabine Impurity 5

ImpurityLevels of characterisation

Cat. No.: P-F071-017
Formula: C₁₆H₂₆N₅O₁₃P
Family: Fludarabine

Fludarabine Phosphate 6-Oxo Impurity

ImpurityLevels of characterisation

Cat. No.: P-F071-015
Formula: C₁₀H₁₂FN₄O₈P
Family: Fludarabine

Fludarabine Phosphate Dimer

ImpurityLevels of characterisation

Cat. No.: P-F071-016
Formula: C₂₀H₂₅FN₁₀O₁₄P₂
Family: Fludarabine

Fluorescein Impurity 4

ImpurityLevels of characterisation

Cat. No.: P-F088-013
Formula: C₂₅H₁₈As₂O₇S₄
Family: Fluorescein
Synonyms: 4',5'-Bis(1,3,2-dithiarsolan-2-yl)-3',6'-dihydroxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid

Fluorescein Impurity 5

ImpurityLevels of characterisation

Cat. No.: P-F088-014
Formula: C₂₀H₈O₇
Family: Fluorescein
Synonyms: Spiro[2-benzofuran-3,9'-xanthene]-1,2',3',6',7'-pentone

Fluorescein Impurity 6

ImpurityLevels of characterisation

Cat. No.: P-F088-015
Formula: C₂₀H₁₀O₆
Family: Fluorescein
Synonyms: 6'-Hydroxyspiro[2-benzofuran-3,9'-xanthene]-1,2',3'-trione

Fluorescein Impurity 7

ImpurityLevels of characterisation

Cat. No.: P-F088-016
Formula: C₂₀H₁₀O₆
Family: Fluorescein
Synonyms: 2-(2,3,6-Trioxoxanthen-9-yl)benzoic acid

Fluorescein Impurity 8

ImpurityLevels of characterisation

Cat. No.: P-F088-017
Formula: C₂₀H₁₂O₆
Family: Fluorescein
Synonyms: 2-(3-Hydroxy-6,7-dioxo-3H-xanthen-9-yl)benzoic acid

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