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VAQORACHEMICALS
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Impurities & Reference Standards

Pharmacopoeial and non-pharmacopoeial impurities, metabolites, nitrosamines and working standards with characterisation data for QC and regulatory work.

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Reference Standard
Donepezil-4-hydroxy chemical structure
Donepezil-4-hydroxy
CAS
197010-22-3
Formula
C24H29NO4
MW
395.5 g/mol
VQ-030277
Reference Standard
Donepezil-d4 chemical structure
Donepezil-d4
CAS
1219908-72-1
Formula
C24H29NO3
MW
383.5 g/mol
VQ-044067
Reference Standard
Donepezil-d5 chemical structure
Donepezil-d5
CAS
1128086-25-8
Formula
C24H29NO3
MW
384.5 g/mol
VQ-043403

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