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

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4-[2-(Methylamino)ethyl]pyridine Dihydrochloride

ImpurityLevels of characterisation

Cat. No.: P-B062-019
CAS: 101252-40-8
Formula: C₈H₁₂N₂·2HCl
Family: Betahistine
Synonyms: Methyl-(2-pyridin-4-yl-ethyl)-amine dihydrochloride, N-Methyl-2-(pyridin-4-yl)ethanamine dihydrochloride

2-(Methylamino)phenol

ImpurityLevels of characterisation

Cat. No.: P-N035-012
CAS: 611-24-5
Formula: C₇H₉NO
Family: Neostigmine
Synonyms: o-(Methylamino)phenol, NSC 245030

3-(Methylamino)phenol

ImpurityLevels of characterisation

Cat. No.: P-N035-016
CAS: 14703-69-6
Formula: C₇H₉NO
Family: Neostigmine
Synonyms: Neostigmine Impurity 20, Phenol, 3-(methylamino)-

3-(Methylamino)phenyl Dimethylcarbamate

ImpurityLevels of characterisation

Cat. No.: P-N035-017
CAS: 76418-45-6
Formula: C₁₀H₁₄N₂O₂
Family: Neostigmine
Synonyms: Neostigmine Impurity 21

2-(1-[N-Methylamino]prop-2-yl)pyridine

ImpurityLevels of characterisation

Cat. No.: P-B062-017
CAS: 26832-29-1
Formula: C₉H₁₄N₂
Family: Betahistine
Synonyms: Betahistine Impurity 10, N-methyl-2-pyridin-2-ylpropan-1-amine

N,N-Dimethylpyridine-2-ethylamine

ImpurityLevels of characterisation

Cat. No.: P-B062-024
CAS: 6304-27-4
Formula: C₉H₁₄N₂
Family: Betahistine
Synonyms: Betahistine Impurity 9, N,N-dimethyl-2-pyridin-2-ylethanamine

Naphthalene-2-diazonium Chloride

ImpurityLevels of characterisation

Cat. No.: P-I044-027
CAS: 20893-80-5
Formula: C₁₀H₇ClN₂
Family: Indocyanine Green
Synonyms: Indocyanine Green Impurity 13

1-Naphthylhydrazine Hydrochloride

ImpurityLevels of characterisation

Cat. No.: P-I044-010
CAS: 2243-56-3
Formula: C₁₀H₁₀N₂·HCl
Family: Indocyanine Green
Synonyms: Hydrazine, 1-naphthalenyl-, monohydrochloride, alpha-Naphthylhydrazine monohydrochloride

Neostigmine EP Impurity A

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-N035-003
CAS: 3483-84-9
Formula: C₉H₁₄NO+
Family: Neostigmine
Synonyms: 3-hydroxy-N,N,N-trimethylbenzenaminium, PTMA

Neostigmine EP Impurity A Bromide

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-N035-004
CAS: 1620-19-5
Formula: C₉H₁₄NO·Br
Family: Neostigmine
Synonyms: 3-Hydroxy-N,N,N-trimethylbenzenaminium bromide, AMMONIUM, (m-HYDROXYPHENYL)TRIMETHYL-, BROMIDE

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