Donepezil Intermediates (EP,USP)

1. Product name: 5,6-dimethoxy-1-indanone
Chemical Name: 5,6-dimethoxy-1-indanone
CAS No.: 2107-69-9
Molecular structure:

 
Specification: min99%.
Appearance: Light yellow crystal powder
 
 
2. Product name: 4-pyridine carboxaldehyde
Chemical Name: 4-pyridine carboxaldehyde
CAS No.:
Molecular structure:


Specification: min98%.
Appearance: Colorless Transparence Liquid
 
3. Product name: 1-Benzyl-4-Piperidine carboxaldyhyde
Chemical Name: 1-Benzyl-4-Piperidine carboxaldyhyde
CAS No.: 22065-85-6
Molecular structure:
 
Specification: min98%.
Appearance: Colorless Transparence Liquid
 
4. Product name:
1-Benzyl-4-(5,6-dimethoxy-1-oxoindan-2-ylindenemethyl)-piperidine
Chemical Name:
1-Benzyl-4-(5,6-dimethoxy-1-oxoindan-2-ylindenemethyl)-piperidine
CAS No.:
Molecular structure:

 
Specification: min98%.
Appearance: White crystal powder
 
5. Product name:
5,6-Dimethoxy-2-(piperidin-4-yl)methyl-indan-1-one
Chemical Name:
5,6-Dimethoxy-2-(piperidin-4-yl)methyl-indan-1-one
CAS No.:
Molecular structure:


Specification: min98%.
Appearance: Liquid
 
6. Product name:
5,6-Dimethoxy-2-(4-pyridylmethylene)-l-indanone
Chemical Name:
5,6-Dimethoxy-2-(4-pyridylmethylene)-l-indanone
CAS No.:
Molecular structure:
 
Specification: min98%.
Appearance: Light yellow to yellow crystalline powder
 



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