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Pharmaceutical analytical standards

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

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Results 14,771-14,780 of 59,523

Meropenem Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-M062-016
Formula
C17H18N4O7
Family
Meropenem
Synonyms
(4-Nitrophenyl)methyl (4S)-2-diazo-4-[(2S,3R)-3-[(1S)-1-hydroxyethyl]-4-oxoazetidin-2-yl]-3-oxopentanoate

Meropenem Impurity 5

ImpurityLevels of characterisation
Cat. No.
P-M062-018
Formula
C51H77N9O16S3
Family
Meropenem
Synonyms
(2S,3R)-2-[(2S,3R)-1-[(2S,4S)-4-[[(2S,3R)-5-Carboxy-2-[(2S,3R)-1-[(2S,4S)-4-[[(2S,3R)-5-carboxy-2-[(1S,2R)-1-carboxy-2-hydroxypropyl]-3-methyl-2,3-dihydro-1H-pyrrol-4-yl]sulfanyl]-2-(dimethylcarbamoyl)pyrrolidin-1-yl]-3-hydroxy-1-oxobutan-2-yl]-3-methyl-2,3-dihydro-1H-pyrrol-4-yl]sulfanyl]-2-(dimethylcarbamoyl)pyrrolidin-1-yl]-3-hydroxy-1-oxobutan-2-yl]-4-[(3S,5S)-5-(dimethylcarbamoyl)pyrrolidin-3-yl]sulfanyl-3-methyl-2,3-dihydro-1H-pyrrole-5-carboxylic acid

Meropenem Impurity 7

ImpurityLevels of characterisation
Cat. No.
P-M062-020
Formula
C16H23N3O5S
Family
Meropenem
Synonyms
(4R,5S,6S)-6-[(1R)-1-Hydroxyethyl]-4-methyl-3-[(3S,5S)-5-(methylcarbamoyl)pyrrolidin-3-yl]sulfanyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid

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