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Pharmaceutical analytical standards

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

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rac-erythro Methylphenidate

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-M096-029
CAS: 20748-12-3
Formula: C₁₄H₁₉NO₂
Family: Methylphenidate
Synonyms: methyl (S)-phenyl((R)-piperidin-2-yl)acetate, methyl (2S)-2-phenyl-2-[(2R)-piperidin-2-yl]acetate

rac-erythro Methylphenidate Hydrochloride

ImpurityLevels of characterisation

Cat. No.: P-M096-030
CAS: 23644-60-2
Formula: C₁₄H₁₉NO₂·HCl
Family: Methylphenidate

L-Erythro-Methylphenidate

ImpurityLevels of characterisation

Cat. No.: P-M096-022
CAS: 52703-69-2
Formula: C₁₄H₁₉NO₂
Family: Methylphenidate
Synonyms: Erythro-(2R,2'S)-methyl phenidate

L-erythro-Methylphenidate Hydrochloride

ImpurityLevels of characterisation

Cat. No.: P-M096-023
CAS: 29419-97-4
Formula: C₁₄H₁₉NO₂·HCl
Family: Methylphenidate

Ethyl 3-Oxo-2-phenylpropanoate

ImpurityLevels of characterisation

Cat. No.: P-I070-015
CAS: 17838-69-6
Formula: C₁₁H₁₂O₃
Family: Ipratropium
Synonyms: Ethyl alpha-formyl benzeneacetic acid ester, Benzeneacetic acid, alpha-formyl-, ethyl ester

N-Ethylnicotinamide N'-Oxide

ImpurityLevels of characterisation

Cat. No.: P-N051-026
CAS: 68254-63-7
Formula: C₈H₁₀N₂O₂
Family: Nicotinamide
Synonyms: 3-(Ethylcarbamoyl)pyridine 1-oxide, N-ethyl-1-oxidopyridin-1-ium-3-carboxamide

Fmoc-L-4-(Tetrazol-5-yl)-Phenylalanine

ImpurityLevels of characterisation

Cat. No.: P-P090-026
CAS: 299944-65-3
Formula: C₂₅H₂₁N₅O₄
Family: Phenylalanine

N-Formyl (R)-Octabase (Mixture of Diastereomers)

ImpurityLevels of characterisation

Cat. No.: P-D079-029
CAS: 51773-23-0
Formula: C₁₈H₂₃NO₂
Family: Dextromethorphan
Synonyms: N-Formyl Octabase, (R)-, Dextromethorphan Impurity 26

N-Formyl Dextromethorphan

ImpurityLevels of characterisation

Cat. No.: P-D079-030
CAS: 28973-48-0
Formula: C₁₈H₂₃NO₂
Family: Dextromethorphan
Synonyms: (+)-3-Methoxy-N-formylmorphinan, Dextromethorphan Impurity 16

N-Formyl Octabase (Mixture of Diastereomers)

ImpurityLevels of characterisation

Cat. No.: P-D079-031
CAS: 29144-31-8
Formula: C₁₈H₂₃NO₂
Family: Dextromethorphan
Synonyms: N-Formyl octabase, (S)-

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