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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 29,491-29,500 of 36,550

N-Butyl Molnupiravir

ImpurityLevels of characterisation
Cat. No.
P-M160-024
CAS
2770244-32-9
Formula
C13H19N3O7
Family
Molnupiravir
Synonyms
Molnupiravir Impurity 16, Molnupiravir Impurity 20

4,4-(Carbonohydrazonoyl)dibenzonitrile

ImpurityLevels of characterisation
Cat. No.
P-L038-007
CAS
64568-34-9
Formula
C15H10N4
Family
Letrozole
Synonyms
Benzonitrile, 4,4'-carbonohydrazonoylbis-(9CI), 4-[C-(4-cyanophenyl)carbonohydrazonoyl]benzonitrile

4,4-Carbonyldibenzonitrile

ImpurityLevels of characterisation
Cat. No.
P-L038-008
CAS
32446-66-5
Formula
C15H8N2O
Family
Letrozole
Synonyms
4,4-Dicyanobenzophenone, p,p'-Dicyanobenzophenone

Carcinine Dihydrochloride

ImpurityLevels of characterisation
Cat. No.
P-C058-005
CAS
57022-38-5
Formula
C8H14N4O·2HCl
Family
Carnosine
Synonyms
Carcinine (2HCl), beta-Alanylhistamine dihydrochloride

D-Carnosine

ImpurityLevels of characterisation
Cat. No.
P-C058-019
CAS
5853-00-9
Formula
C9H14N4O3
Family
Carnosine
Synonyms
Carnosine, D-, D-Histidine, N-beta-alanyl-

L-Carnosine

ImpurityLevels of characterisation
Cat. No.
P-C058-020
CAS
305-84-0
Formula
C9H14N4O3
Family
Carnosine
Synonyms
Carnosine, beta-Alanyl-L-histidine

Carnosine Impurity 6

ImpurityLevels of characterisation
Cat. No.
P-C058-011
CAS
93287-79-7
Formula
C9H15N5O2
Family
Carnosine
Synonyms
(2S)-2-(3-Aminopropanoylamino)-3-(1H-imidazol-5-yl)propanamide

Carnosine Impurity 7

ImpurityLevels of characterisation
Cat. No.
P-C058-022
CAS
7389-97-1
Formula
C17H16N4O5
Family
Carnosine
Synonyms
N-[3-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)propanoyl]-L-histidine

Carnosine Impurity 8 Trifluoroacetate

ImpurityLevels of characterisation
Cat. No.
P-C058-014
CAS
2361609-72-3
Formula
C11H16N4O4·C2HF3O2
Family
Carnosine
Synonyms
(2R)-2-(3-Acetamidopropanoylamino)-3-(1H-imidazol-5-yl)propanoic acid trifluoroacetate

Ceftezole Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-C102-005
CAS
43194-95-2
Formula
C8H12N4O3
Family
Ceftezole
Synonyms
2-(1H-tetrazol-1-yl)acetic pivalic anhydride

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