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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 56,461-56,470 of 59,523

Protirelin EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-P226-004
CAS
32159-22-1
Formula
C11H14N4O4
Family
Protirelin
Synonyms
5-Oxo-L-prolyl-L-histidine, pGlu-His-OH

Protirelin EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-P226-005
CAS
24769-58-2
Formula
C16H21N5O5
Family
Protirelin
Synonyms
Acid-TRH, TRH (free acid)

Protirelin EP Impurity E

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-P226-006
CAS
53109-32-3
Formula
C11H14N4O2
Family
Protirelin
Synonyms
Cyclo(his-pro), Cyclo(L-His-L-Pro)

3-Quinuclidinyl benzilate

ImpurityLevels of characterisation
Cat. No.
P-C192-005
CAS
6581-06-2
Formula
C21H23NO3
Family
Clidinium
Synonyms
Clidinium Bromide Impurity 1, 1-azabicyclo[2.2.2]octan-3-yl 2-hydroxy-2,2-diphenylacetate

Quizalofop-P

ImpurityLevels of characterisation
Cat. No.
P-Q037-004
CAS
94051-08-8
Formula
C17H13ClN2O4
Synonyms
Propaquizafop free acid, Quizalofop-P (ISO Provisional)

Quizalofop-p-tefuryl

ImpurityLevels of characterisation
Cat. No.
P-Q037-005
CAS
119738-06-6
Formula
C22H21ClN2O5
Synonyms
Quizalofop-tefuryl, oxolan-2-ylmethyl 2-[4-(6-chloroquinoxalin-2-yl)oxyphenoxy]propanoate

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