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Pharmaceutical analytical standards

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

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Cenobamate Impurity 1-d4

Isotopically labelledLevels of characterisation

Cat. No.: P-C113-003
Formula: C₁₀H₆D₄ClN₅O₂
Family: Cenobamate

Cenobamate N-Glucuronide

MetaboliteLevels of characterisation

Cat. No.: P-C113-002
Formula: C₁₆H₁₈ClN₅O₈
Family: Cenobamate

Cenobamate-d4

Isotopically labelledLevels of characterisation

Cat. No.: P-C113-004
Formula: C₁₀H₆D₄ClN₅O₂
Family: Cenobamate

rac-Cenobamate-d4

Isotopically labelledLevels of characterisation

Cat. No.: P-C113-005
Formula: C₁₀H₆D₄ClN₅O₂
Family: Cenobamate

Cephalosporin Impurity 1

ImpurityLevels of characterisation

Cat. No.: P-C463-003
Formula: C₁₇H₁₉N₅O₆S₂
Synonyms: (6R,7R)-7-[[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-3-[(2R)-oxolan-2-yl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cephalosporin Impurity 2

ImpurityLevels of characterisation

Cat. No.: P-C463-004
Formula: C₂₃H₂₄N₈O₈S₃
Synonyms: (6R,7R)-7-[[(2Z)-2-[2-[[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-1,3-thiazol-4-yl]-2-methoxyiminoacetyl]amino]-8-oxo-3-[(2S)-oxolan-2-yl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cephalosporin Impurity 3

ImpurityLevels of characterisation

Cat. No.: P-C463-005
Formula: C₁₇H₂₁N₅O₇S₂

Cephalosporin Impurity 4

ImpurityLevels of characterisation

Cat. No.: P-C463-006
Formula: C₁₇H₂₁N₅O₇S₂

Cephalosporin Impurity 5

ImpurityLevels of characterisation

Cat. No.: P-C463-007
Formula: C₂₅H₂₃ClN₂O₅S
Synonyms: (3-Chloro-4-methoxyphenyl)methyl (6R,7R)-3-ethenyl-8-oxo-7-[(2-phenylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Cephalosporin Impurity 7 Hydrochloride

ImpurityLevels of characterisation

Cat. No.: P-C463-009
Formula: C₁₄H₁₇N₃O₆S·HCl
Synonyms: (2R)-2-Amino-6-[[(4R,5R)-3,11-dioxo-10-oxa-6-thia-2-azatricyclo[6.3.0.02,5]undec-1(8)-en-4-yl]amino]-6-oxohexanoic acid hydrochloride

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