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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 10,961-10,970 of 35,292

Sparfloxacin Impurity 13

ImpurityLevels of characterisation
Cat. No.
P-S072-017
Formula
C13H11F2N3O3
Family
Sparfloxacin
Synonyms
5,7-Diamino-1-cyclopropyl-6,8-difluoro-4-oxoquinoline-3-carboxylic acid

Sparfloxacin Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-S072-005
Formula
C16H18F2N4O3
Family
Sparfloxacin
Synonyms
5-Amino-7-[(3S,5R)-3,5-dimethylpiperazin-1-yl]-6,8-difluoro-4-oxo-1H-quinoline-3-carboxylic acid

Tulathromycin Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-T235-007
Formula
C45H86N4O13
Family
Tulathromycin
Synonyms
[(2S,3R,4S,6R)-4-(Dimethylamino)-2-[[(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-5-(propylaminomethyl)oxan-2-yl]oxy-3,5,8,10,12,14-hexamethyl-15-oxo-1-oxa-6-azacyclopentadec-11-yl]oxy]-6-methyloxan-3-yl] N-propylcarbamate

Tulathromycin Impurity 10

ImpurityLevels of characterisation
Cat. No.
P-T235-017
Formula
C41H79N3O11
Family
Tulathromycin
Synonyms
(2R,3R,4S,5R,8R,10R,11R,12S,13R,14R)-11-[(2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-4,10-dihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-5-(propylaminomethyl)oxan-2-yl]oxy-3,5,8,10,12,14-hexamethyl-1-oxa-6-azacyclopentadecan-15-one

Tulathromycin Impurity 11

ImpurityLevels of characterisation
Cat. No.
P-T235-018
Formula
C49H85N3O14
Family
Tulathromycin
Synonyms
Benzyl [(2S,3R,4S,6R)-4-(dimethylamino)-2-[[(2R,3S,4R,5R,8R,10R,11R,12S,13R,14R)-2-ethyl-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-5-(propylaminomethyl)oxan-2-yl]oxy-3,5,8,10,12,14-hexamethyl-15-oxo-1-oxa-6-azacyclopentadec-11-yl]oxy]-6-methyloxan-3-yl] carbonate

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