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Pharmaceutical analytical standards

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

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Results 10,641-10,650 of 35,292

Butenafine Impurity 7

ImpurityLevels of characterisation
Cat. No.
P-B153-013
Formula
C24H27NO2
Family
Butenafine
Synonyms
N-[[4-tert-Butyl-3-(hydroxymethyl)phenyl]methyl]-N-methylnaphthalene-1-carboxamide

Caspofungin Impurity 2 (Mixture of Diastereomers)

ImpurityLevels of characterisation
Cat. No.
P-C063-017
Formula
C50H82N8O16·C2HF3O2
Family
Caspofungin
Synonyms
(2R,4R)-N-[(2S,3R)-1-[(2S,4R)-2-[[(2S,3S,4S)-1-[[(2S,3R)-5-Amino-1-[(2S,3S)-2-carbamoyl-3-hydroxypyrrolidin-1-yl]-3-hydroxy-1-oxopentan-2-yl]amino]-3,4-dihydroxy-4-(4-hydroxyphenyl)-1-oxobutan-2-yl]carbamoyl]-4-hydroxypyrrolidin-1-yl]-3-hydroxy-1-oxobutan-2-yl]-1-(10,12-dimethyltetradecanoyl)-4,5-dihydroxypyrrolidine-2-carboxamide trifluoroacetate

Caspofungin Impurity 4

ImpurityLevels of characterisation
Cat. No.
P-C063-024
Formula
C49H78N8O17
Family
Caspofungin
Synonyms
(10R,12S)-N-[(3S,6S,9S,11R,15S,18S,20R,21R,24S,25S)-3-[(1R)-3-Amino-1-hydroxy-3-oxopropyl]-6-[(1S,2S)-1,2-dihydroxy-2-(4-hydroxyphenyl)ethyl]-11,20,21,25-tetrahydroxy-15-(hydroxymethyl)-2,5,8,14,17,23-hexaoxo-1,4,7,13,16,22-hexazatricyclo[22.3.0.09,13]heptacosan-18-yl]-10,12-dimethyltetradecanamide

Caspofungin Impurity 5

ImpurityLevels of characterisation
Cat. No.
P-C063-025
Formula
C50H80N8O16
Family
Caspofungin
Synonyms
(10R,12S)-N-[(3S,6S,9S,11R,15S,18S,20R,21R,24S,25S)-3-[(1R)-3-Amino-1-hydroxy-3-oxopropyl]-11,20,21,25-tetrahydroxy-15-[(1R)-1-hydroxyethyl]-6-[(2R)-2-hydroxy-2-(4-hydroxyphenyl)ethyl]-2,5,8,14,17,23-hexaoxo-1,4,7,13,16,22-hexazatricyclo[22.3.0.09,13]heptacosan-18-yl]-10,12-dimethyltetradecanamide

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