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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 14,291-14,300 of 59,523

Carnosine Impurity 11

ImpurityLevels of characterisation
Cat. No.
P-C058-018
Formula
C28H23N5O8
Family
Carnosine
Synonyms
(2S)-2-[3-(1,3-Dioxoisoindol-2-yl)propanoylamino]-3-[1-[3-(1,3-dioxoisoindol-2-yl)propanoyl]imidazol-4-yl]propanoic acid

Carnosine Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-C058-007
Formula
C17H20N6O5
Family
Carnosine
Synonyms
(2S)-2-[3-[[2-(Hydrazinecarbonyl)benzoyl]amino]propanoylamino]-3-(1H-imidazol-5-yl)propanoic acid

Carnosine Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-C058-008
Formula
C11H13N3O4
Family
Carnosine
Synonyms
3-[[2-(Hydrazinecarbonyl)benzoyl]amino]propanoic acid

Carnosine Impurity 4

ImpurityLevels of characterisation
Cat. No.
P-C058-009
Formula
C9H16N6O2
Family
Carnosine
Synonyms
3-Amino-N-[(2S)-1-hydrazinyl-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl]propanamide

Carnosine Impurity 5

ImpurityLevels of characterisation
Cat. No.
P-C058-010
Formula
C11H14N4O3
Family
Carnosine
Synonyms
N-(3-Amino-3-oxopropyl)-2-(hydrazinecarbonyl)benzamide

Carnosine Impurity 7 Trifluoroacetate

ImpurityLevels of characterisation
Cat. No.
P-C058-012
Formula
C17H16N4O5·C2HF3O2
Family
Carnosine
Synonyms
(2S)-2-[3-(1,3-Dioxoisoindol-2-yl)propanoylamino]-3-(1H-imidazol-5-yl)propanoic acid trifluoroacetate

Carnosine Impurity 9 Hydrochloride

ImpurityLevels of characterisation
Cat. No.
P-C058-016
Formula
C17H16N4O5·HCl
Family
Carnosine
Synonyms
(2S)-2-Amino-3-[1-[3-(1,3-dioxoisoindol-2-yl)propanoyl]imidazol-4-yl]propanoic acid hydrochloride

Ceftezole Impurity 10

ImpurityLevels of characterisation
Cat. No.
P-C102-015
Formula
C15H18N4O4S3
Family
Ceftezole
Synonyms
(6R,7R)-7-(2,2-Dimethylpropanoylamino)-8-oxo-3-(1,3,4-thiadiazol-2-ylsulfanylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Ceftezole Impurity 11

ImpurityLevels of characterisation
Cat. No.
P-C102-016
Formula
C13H12N8O4S3
Family
Ceftezole
Synonyms
(6R,7R)-8-Oxo-7-[[2-(tetrazol-1-yl)acetyl]amino]-3-(1,3,4-thiadiazol-2-ylsulfanylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

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