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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 30,181-30,190 of 36,550

Nitrendipine Impurity 9

ImpurityLevels of characterisation
Cat. No.
P-N078-025
CAS
1824037-63-9
Formula
C11H9NO5
Family
Nitrendipine
Synonyms
(2Z)-2-[(3-Nitrophenyl)methylidene]-3-oxobutanoic acid

Nitrendipine Impurity E

ImpurityLevels of characterisation
Cat. No.
P-N078-007
CAS
74936-73-5
Formula
C17H18N2O6
Family
Nitrendipine
Synonyms
1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylic Acid Ethyl Ester

Nitrendipine Propyl Ester

ImpurityLevels of characterisation
Cat. No.
P-N078-026
CAS
225785-54-6
Formula
C19H22N2O6
Family
Nitrendipine
Synonyms
Lercanidipine Impurity 47, 3-O-Methyl 5-O-propyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate

6-Nitroquinazoline-4,7-diol

ImpurityLevels of characterisation
Cat. No.
P-M031-010
CAS
574738-64-0
Formula
C8H5N3O4
Family
Mefatinib
Synonyms
7-hydroxy-6-nitro-3H-quinazolin-4-one, Maihuatini Impurity 1

Norcyclobenzaprine

ImpurityLevels of characterisation
Cat. No.
P-N095-017
CAS
303-50-4
Formula
C19H19N
Family
Nortriptyline
Synonyms
Desmethylcyclobenzaprine, Norproheptatrien

Nortriptyline Impurity 1 Hydrochloride

ImpurityLevels of characterisation
Cat. No.
P-N095-019
CAS
1750-07-8
Formula
C19H23N·HCl
Family
Nortriptyline
Synonyms
Nortriptyline Impurity 1, N-Methyl-3-(2-tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,11,13-hexaenyl)propan-1-amine hydrochloride

Orphenadrine Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-O037-020
CAS
83532-96-1
Formula
C17H21NO2
Family
Orphenadrine
Synonyms
N-Methyl-N-[2-[(2-methylphenyl)-phenylmethoxy]ethyl]hydroxylamine

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