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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 28,701-28,710 of 36,550

Imipenem Impurity 18

ImpurityLevels of characterisation
Cat. No.
P-I032-026
CAS
93788-47-7
Formula
C14H17N3O5Si
Family
Imipenem
Synonyms
p-Nitrobenzyl 2-diazo-3-trimethylsilyloxy-3-butenoate, p-nitrobenzyl 2-diazo-3-trimethylsilyloxybutenoate

Imipenem Impurity 4

ImpurityLevels of characterisation
Cat. No.
P-I032-012
CAS
74288-39-4
Formula
C16H16N4O7
Family
Imipenem
Synonyms
(4-Nitrophenyl)methyl 2-diazo-4-[(2R,3S)-3-[(1R)-1-hydroxyethyl]-4-oxoazetidin-2-yl]-3-oxobutanoate

Imipenem Impurity 9 (Mixture of Diastereomers)

ImpurityLevels of characterisation
Cat. No.
P-I032-017
CAS
71820-64-9
Formula
C12H17N3O5S
Family
Imipenem
Synonyms
(5R,6S)-3-[2-(Aminomethylideneamino)ethylsulfinyl]-6-[(1R)-1-hydroxyethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid

Indocyanine Green Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-I044-007
CAS
63149-24-6
Formula
C19H23NO3S
Family
Indocyanine Green
Synonyms
4-(1,1,2-Trimethyl-1H-benzo(E)indolium-3-yl)butane-1-sulfonate, 4-(1,1,2-trimethylbenzo[e]indol-3-ium-3-yl)butane-1-sulfonate

Indocyanine Green Impurity 12

ImpurityLevels of characterisation
Cat. No.
P-I044-028
CAS
4185-69-7
Formula
C11H8N3O4·Cl
Family
Indocyanine Green
Synonyms
Pyridinium, 1-(2,4-dinitrophenyl)-, chloride, 1-(2,4-dinitrophenyl)pyridin-1-ium chloride

Indocyanine Green Impurity 8

ImpurityLevels of characterisation
Cat. No.
P-I044-019
CAS
1351043-94-1
Formula
C32H34N2O4S
Family
Indocyanine Green
Synonyms
4-[2-[6-(N-Acetylanilino)hexa-1,3,5-trienyl]-1,1-dimethylbenzo[e]indol-3-ium-3-yl]butane-1-sulfonate

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