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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 3,751-3,760 of 5,812

Nicergoline EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-N046-004
CAS
35155-28-3
Formula
C18H24N2O2
Family
Nicergoline
Synonyms
Ergoline-8-methanol,10-methoxy-1,6-dimethyl-, (8b)-

Nicergoline EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-N046-005
CAS
20826-04-4
Formula
C6H4BrNO2
Family
Nicergoline
Synonyms
5-Bromopyridine-3-carboxylic Acid, 5-Bromonicotinic acid

Nicergoline EP Impurity F

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-N046-008
CAS
58001-19-7
Formula
C24H26BrN3O3
Family
Nicergoline
Synonyms
8-epi Nicergoline, Nicergoline EP Impurity F(Rss)

Oxybutynin EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-O069-003
CAS
14943-53-4
Formula
C22H25NO3
Family
Oxybutynin
Synonyms
alpha-Descyclohexyl-alpha-phenyl oxybutynin, 4-(diethylamino)but-2-ynyl 2-hydroxy-2,2-diphenylacetate

Oxybutynin EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-O069-004
CAS
4335-77-7
Formula
C14H18O3
Family
Oxybutynin
Synonyms
2-cyclohexyl-2-hydroxy-2-phenylacetic acid, alpha-Cyclohexylmandelic acid

Oxybutynin EP Impurity E

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-O069-005
CAS
1215677-72-7
Formula
C23H33NO3
Family
Oxybutynin
Synonyms
N-Desethyl-N-propyl Oxybutynin, Benzeneacetic acid, alpha-cyclohexyl-alpha-hydroxy-, 4-(ethylpropylamino)-2-butyn-1-yl ester

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