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Pharmaceutical analytical standards

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

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Results 29,801-29,810 of 36,550

Difelikefalin Impurity 1 Dihydrochloride

ImpurityLevels of characterisation
Cat. No.
P-D109-004
CAS
76508-73-1
Formula
C6H12N2O2·2HCl
Family
Difelikefalin
Synonyms
4-Aminopiperidine-4-carboxylic acid--hydrogen chloride DiHCl, 4-Aminopiperidine-4-carboxylic acid--hydrogen chloride (1/2)

Difelikefalin Impurity 10

ImpurityLevels of characterisation
Cat. No.
P-D109-014
CAS
1024828-78-1
Formula
C37H55N7O6
Family
Difelikefalin
Synonyms
4-Amino-1-[(2R)-2-[[(2R)-2-[[(2R)-2-[[(2R)-2-amino-3-phenylpropanoyl]amino]-3-phenylpropanoyl]amino]-4-methylpentanoyl]amino]-6-(methylamino)hexanoyl]piperidine-4-carboxylic acid

Difelikefalin Impurity 11 Hydrochloride

ImpurityLevels of characterisation
Cat. No.
P-D109-015
CAS
1281870-04-9
Formula
C24H29N3O4·HCl
Family
Difelikefalin
Synonyms
(2S)-2-[[1-[(2S)-2-Azaniumyl-3-phenylpropanoyl]piperidine-4-carbonyl]amino]-3-phenylpropanoate hydrochloride

Difelikefalin Impurity 12

ImpurityLevels of characterisation
Cat. No.
P-D109-016
CAS
956233-15-1
Formula
C20H27N3O4
Family
Difelikefalin
Synonyms
(2S)-1-[1-[(2S)-2-Amino-3-phenylpropanoyl]piperidine-4-carbonyl]pyrrolidine-2-carboxylic acid

Difelikefalin Impurity 13

ImpurityLevels of characterisation
Cat. No.
P-D109-017
CAS
1024828-90-7
Formula
C39H59N7O6
Family
Difelikefalin
Synonyms
4-Amino-1-[(2R)-2-[[(2R)-2-[[(2R)-2-[[(2R)-2-amino-3-phenylpropanoyl]amino]-3-phenylpropanoyl]amino]-4-methylpentanoyl]amino]-6-(propan-2-ylamino)hexanoyl]piperidine-4-carboxylic acid

Difelikefalin Impurity 14

ImpurityLevels of characterisation
Cat. No.
P-D109-018
CAS
2756592-19-3
Formula
C37H55N7O6
Family
Difelikefalin
Synonyms
4-Amino-1-[(2R)-6-amino-2-[[(2R)-2-[[(2R)-2-[[(2R,3R)-2-amino-3-phenylbutanoyl]amino]-3-phenylpropanoyl]amino]-4-methylpentanoyl]amino]hexanoyl]piperidine-4-carboxylic acid

Difelikefalin Impurity 15

ImpurityLevels of characterisation
Cat. No.
P-D109-019
CAS
1173664-52-2
Formula
C21H31N3O4
Family
Difelikefalin
Synonyms
N-{[1-(L-phenylalanyl)piperidin-4-yl]carbonyl}-L-leucine

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