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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 4,091-4,100 of 36,550

Entecavir Impurity 28

ImpurityLevels of characterisation
Cat. No.
P-E059-053
Formula
C33H33N5O3
Family
Entecavir
Synonyms
9-[(1S,3R,4S)-2-Methylidene-4-phenylmethoxy-3-(phenylmethoxymethyl)cyclopentyl]-6-phenylmethoxypurin-2-amine

Entecavir Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-E059-028
Formula
C52H49N5O5
Family
Entecavir
Synonyms
(1R,2R,3R,5R)-5-[2-[[(4-Methoxyphenyl)-diphenylmethyl]amino]-6-phenylmethoxypurin-9-yl]-3-phenylmethoxy-2-(phenylmethoxymethyl)cyclopentan-1-ol

Entecavir Impurity 32

ImpurityLevels of characterisation
Cat. No.
P-E059-057
Formula
C52H47N5O3
Family
Entecavir
Synonyms
9-[(1R,3S,4R)-2-Methylidene-4-phenylmethoxy-3-(phenylmethoxymethyl)cyclopentyl]-6-phenylmethoxy-N-tritylpurin-2-amine

Entecavir Impurity 33

ImpurityLevels of characterisation
Cat. No.
P-E059-058
Formula
C52H47N5O3
Family
Entecavir
Synonyms
9-[(1S,3S,4R)-2-Methylidene-4-phenylmethoxy-3-(phenylmethoxymethyl)cyclopentyl]-6-phenylmethoxy-N-tritylpurin-2-amine

Entecavir Impurity 34

ImpurityLevels of characterisation
Cat. No.
P-E059-059
Formula
C52H47N5O3
Family
Entecavir
Synonyms
9-[(1S,3S,4S)-2-Methylidene-4-phenylmethoxy-3-(phenylmethoxymethyl)cyclopentyl]-6-phenylmethoxy-N-tritylpurin-2-amine

Entecavir Impurity 35

ImpurityLevels of characterisation
Cat. No.
P-E059-061
Formula
C52H47N5O3
Family
Entecavir
Synonyms
9-[(1R,3S,4S)-2-Methylidene-4-phenylmethoxy-3-(phenylmethoxymethyl)cyclopentyl]-6-phenylmethoxy-N-tritylpurin-2-amine

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