Pharmaceutical analytical standards

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

Results 9,841-9,850 of 59,523

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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

ImpurityLevels of characterisation

Cat. No.: P-C089-039
Formula: C₁₀H₁₄N₆O₄S₂
Family: Cefoperazone
Synonyms: (2R)-2-[(R)-Amino(carboxy)methyl]-5-[(1-methyltetrazol-5-yl)sulfanylmethyl]-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

ImpurityLevels of characterisation

Cat. No.: P-C089-041
Formula: C₂₄H₂₅N₅O₈S₂
Family: Cefoperazone
Synonyms: N-[(1R)-2-[[(4R,5R)-3,13-Dioxo-12-oxa-6,9-dithia-2-azatricyclo[6.5.0.02,5]tridec-1(8)-en-4-yl]amino]-1-(4-hydroxyphenyl)-2-oxoethyl]-4-ethyl-2,3-dioxopiperazine-1-carboxamide

ImpurityLevels of characterisation

Cat. No.: P-C089-042
Formula: C₂₃H₂₅N₅O₈S
Family: Cefoperazone
Synonyms: (6R,7R)-7-[[(2R)-2-[(4-Ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-(4-hydroxyphenyl)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

ImpurityLevels of characterisation

Cat. No.: P-C089-043
Formula: C₉H₁₁N₅OS₂
Family: Cefoperazone
Synonyms: 3-[(1-Methyltetrazol-5-yl)sulfanylmethyl]-5-thia-1-azabicyclo[4.2.0]oct-2-en-8-one

ImpurityLevels of characterisation

Cat. No.: P-C089-044
Formula: C₂₃H₂₅N₅O₈S₂
Family: Cefoperazone
Synonyms: (6R,7R)-7-[[(2R)-2-[(4-Ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-(4-hydroxyphenyl)acetyl]amino]-8-oxo-3-(sulfanylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

ImpurityLevels of characterisation

Cat. No.: P-C089-020
Formula: C₂₅H₂₇N₅O₁₀S
Family: Cefoperazone
Synonyms: (6R,7R)-3-(Acetyloxymethyl)-7-[[(2R)-2-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-(4-hydroxyphenyl)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

ImpurityLevels of characterisation

Cat. No.: P-C089-021
Formula: C₂₃H₂₅N₅O₉S
Family: Cefoperazone
Synonyms: (6R,7R)-7-[[(2R)-2-[(4-Ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-(4-hydroxyphenyl)acetyl]amino]-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

ImpurityLevels of characterisation

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