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7-acetoacetyl-6-methoxy-2,3-bis(p-methoxyphenyl)benzofuran is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

82140-76-9

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82140-76-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82140-76-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,1,4 and 0 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 82140-76:
(7*8)+(6*2)+(5*1)+(4*4)+(3*0)+(2*7)+(1*6)=109
109 % 10 = 9
So 82140-76-9 is a valid CAS Registry Number.

82140-76-9Relevant academic research and scientific papers

Acetylation of 6-Methoxy-2,3-bis(p-methoxyphenyl)benzofuran

Hishmat, O. H.,Rahman, A. H. Abdel,El-Ebrashi, N. M. A.,El-Diwani, H. I.

, p. 34 - 36 (2007/10/02)

Acetylation of 6-methoxy-2,3-bis(p-methoxyphenyl)benzofuran (Ia) with acetyl chloride and aluminium chloride in carbon disulphide gives 7-acetyl derivative (Ib).On the other hand, acetylation using excess of acetyl chloride in benzene affords 5,7-diacetyl

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