| Identification | Back Directory | [Name]
Donepezil Impurity 2 | [CAS]
36517-91-6 | [Synonyms]
Donepezil-021
Donepezil Impurity 2
5,6-dimethoxyindane-1,3-dion
5,6-Dimethoxyindane-1,3-dione
5,6-dimethoxyindene-1,3-dione
1H-Indene-1,3(2H)-dione, 5,6-dimethoxy-
Donepezil impurity 22/5,6-Dimethoxyindane-1,3-dione | [Molecular Formula]
C11H10O4 | [MOL File]
36517-91-6.mol | [Molecular Weight]
206.19 |
| Chemical Properties | Back Directory | [Melting point ]
267 °C | [Boiling point ]
391.3±42.0 °C(Predicted) | [density ]
1.292±0.06 g/cm3(Predicted) | [storage temp. ]
Hygroscopic, -20°C Freezer, Under inert atmosphere | [solubility ]
Chloroform (Slightly, Heated), Methanol (Slightly) | [form ]
Solid | [pka]
10.78±0.20(Predicted) | [color ]
Light Yellow |
| Hazard Information | Back Directory | [Uses]
5,6-Dimethoxyindane-1,3-dione is an intermediate in the synthesis of 3-keto Donepezil(K181665), an impurity of Donepezil (D531750), a nootropic. An inhibitor of acetylcholinesterase. |
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