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

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Rivastigmine EP Impurity D

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-R073-003
CAS: 415973-05-6
Formula: C₁₄H₂₂N₂O₂
Family: Rivastigmine
Synonyms: Rivastigmine, (R)-, Carbamic acid, N-ethyl-N-methyl-, 3-((1R)-1-(dimethylamino)ethyl)phenyl ester

Rivastigmine EP Impurity E (as Racemate)

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-R073-012
CAS: 948051-93-2
Formula: C₁₃H₂₀N₂O₂
Family: Rivastigmine
Synonyms: 3-(1-(Methylamino)ethyl)phenyl ethyl(methyl)carbamate

Rivastigmine EP Impurity G

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-R073-014
CAS: 23308-82-9
Formula: C₉H₁₂O₂
Family: Rivastigmine
Synonyms: 1-(3-Methoxyphenyl)ethanol, Benzenemethanol, 3-methoxy-alpha-methyl-

Rivastigmine EP Impurity H

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-R073-015
CAS: 586-37-8
Formula: C₉H₁₀O₂
Family: Rivastigmine
Synonyms: 3-Methoxyacetophenone, 1-(3-methoxyphenyl)ethanone

Rivastigmine USP Related Compound A

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-R073-019
CAS: 32634-68-7
Formula: C₂₀H₁₈O₈
Family: Rivastigmine
Synonyms: Ditoluoyltartaric acid, (+)-, NSC 97592

Rivastigmine USP Related Compound B

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-R073-020
CAS: 25081-93-0
Formula: C₁₃H₂₀N₂O₂
Family: Rivastigmine
Synonyms: N-Desethyl N-Methyl rac-Rivastigmine, RivastigMine USP RC B

Rivastigmine USP Related Compound F

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-R073-021
CAS: 1346602-84-3
Formula: C₁₂H₁₅NO₂
Family: Rivastigmine
Synonyms: N-Ethyl-N-methyl-3-vinylphenyl Carbamate, 3-Ethenylphenyl ethyl(methyl)carbamate

Lidocaine EP Impurity A Hydrochloride

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-L061-003
CAS: 21436-98-6
Formula: C₈H₁₁N·HCl
Family: Lidocaine
Synonyms: Benzenamine, 2,6-dimethyl-, hydrochloride (1:1)

Lidocaine EP Impurity B

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-L061-004
CAS: 2903-45-9
Formula: C₁₄H₂₂N₂O₂
Family: Lidocaine
Synonyms: Lidocaine N-Oxide, Lignocaine N-oxide

Lidocaine EP Impurity C

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-L061-005
CAS: 2198-53-0
Formula: C₁₀H₁₃NO
Family: Lidocaine
Synonyms: N-Acetyl-2,6-xylidine, N-(2,6-dimethylphenyl)acetamide

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