Hydroxy Donepezil CAS 197010-20-1

CAS Number

197010-20-1

Grade

Highly Purified

Molecular Formula

C₂₄H₂₉NO₄

Molecular Weight

395.49

EU Commodity Code

38220090

Shipping Temp

Blue Ice

Storage Temp

-20°C

2,3-Dihydro-2-[hydroxy[1-(phenylmethyl)-4-piperidinyl]methyl]-5,6-dimethoxy-1H-inden-1-one; 2-[(1-Benzylpiperidin-4-yl)hydroxymethyl]-5,6-dimethoxyindan-1-one; Donepezil Hydroxy Keto Impurity

Hydroxy Donepezil is an impurity of Donepezil.

Synonyms

2,3-Dihydro-2-[hydroxy[1-(phenylmethyl)-4-piperidinyl]methyl]-5,6-dimethoxy-1H-inden-1-one; 2-[(1-Benzylpiperidin-4-yl)hydroxymethyl]-5,6-dimethoxyindan-1-one; Donepezil Hydroxy Keto Impurity

CAS Number

197010-20-1

Molecular Formula

C₂₄H₂₉NO₄

Molecular Weight

395.49

Appearance

White to pale beige solid

Purity

≥95%

NMR

Conforms to Structure

Elemental Analysis

Theoretical: %C: 72.89, %H: 7.39, %N: 3.54 Conforms

Conforms to Structure

Melting Point

>145°C (dec.)

Method for Determining Identity

Proton NMR (CDCl3) spectroscopic analysis and MS

TLC Conditions

SiO2; Dichloromethane : Methanol = 8 : 2; Visualized with UV and KMnO4; Single Spot, Rf = 0.45

Solubility

Chloroform, DMSO, Methanol (Sparingly)

Storage and Stability

Store at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Caution: Product is unstable in solution.

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013707 Hydroxy Donepezil (Mixture of Diastereomers) CAS: 197010-20-1

CAS Number

Grade

Molecular Formula

Molecular Weight

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2,3-Dihydro-2-[hydroxy[1-(phenylmethyl)-4-piperidinyl]methyl]-5,6-dimethoxy-1H-inden-1-one; 2-[(1-Benzylpiperidin-4-yl)hydroxymethyl]-5,6-dimethoxyindan-1-one; Donepezil Hydroxy Keto Impurity

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