Pharmaceutical analytical standards

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

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ImpurityLevels of characterisation

Cat. No.: P-L037-020
Formula: C₂₉H₂₈F₄N₄O₄
Family: Letermovir
Synonyms: 2-[(4S)-5-Fluoro-2-[4-(3-methoxyphenyl)piperazin-1-yl]-3-[2-methoxy-5-(trifluoromethyl)phenyl]-4H-quinazolin-4-yl]acetic acid

ImpurityLevels of characterisation

Cat. No.: P-N021-034
Formula: C₁₈H₂₂O₄
Family: Naproxen
Synonyms: 2-(3-Hydroxy-2,2-dimethylpropoxy)-1-(6-hydroxynaphthalen-2-yl)propan-1-one

ImpurityLevels of characterisation

ImpurityLevels of characterisation

Cat. No.: P-C089-028
Formula: C₁₀H₁₂N₆O₃S₂
Family: Cefoperazone
Synonyms: (6R,7R)-7-Amino-3-[(4-methyl-5-sulfanylidenetetrazol-1-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

ImpurityLevels of characterisation

Cat. No.: P-C089-029
Formula: C₂₅H₂₇N₉O₉S₂
Family: Cefoperazone
Synonyms: (6R,7R)-7-[[(2R)-2-[(4-Ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-(4-hydroxyphenyl)acetyl]amino]-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-5,8-dioxo-5lambda4-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

ImpurityLevels of characterisation

Cat. No.: P-C089-030
Formula: C₂₃H₂₅N₅O₉S
Family: Cefoperazone
Synonyms: (2R)-2-[[(2R)-2-[(4-Ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-(4-hydroxyphenyl)acetyl]amino]-2-[(2R)-7-oxo-1,2,4,5-tetrahydrofuro[3,4-d][1,3]thiazin-2-yl]acetic acid

ImpurityLevels of characterisation

Cat. No.: P-C089-031
Formula: C₃₅H₃₇N₁₅O₁₀S₄
Family: Cefoperazone
Synonyms: (6R,7R)-7-[[(6R,7R)-7-[[(2R)-2-[(4-Ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-(4-hydroxyphenyl)acetyl]amino]-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carbonyl]amino]-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

ImpurityLevels of characterisation

ImpurityLevels of characterisation

Cat. No.: P-C089-035
Formula: C₄₈H₅₄N₁₄O₁₈S₃
Family: Cefoperazone
Synonyms: (2R)-2-[(R)-Carboxy-[[(2R)-2-[4-[(2R)-2-[(R)-carboxy-[[(2R)-2-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-(4-hydroxyphenyl)acetyl]amino]methyl]-5-[(1-methyltetrazol-5-yl)sulfanylmethyl]-3,6-dihydro-2H-1,3-thiazine-4-carbonyl]oxyphenyl]-2-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino]acetyl]amino]methyl]-5-(hydroxymethyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

ImpurityLevels of characterisation

Cat. No.: P-C089-037
Formula: C₅₀H₅₂N₁₈O₁₅S₄
Family: Cefoperazone
Synonyms: (6R,7R)-7-[[(2R)-2-[(4-Ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-[4-[(6R,7R)-7-[[(2R)-2-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-(4-hydroxyphenyl)acetyl]amino]-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carbonyl]oxyphenyl]acetyl]amino]-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

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