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2,2-bis(2,5-dimethoxyphenyl)acetic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21771-86-8

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21771-86-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21771-86-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,7,7 and 1 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21771-86:
(7*2)+(6*1)+(5*7)+(4*7)+(3*1)+(2*8)+(1*6)=108
108 % 10 = 8
So 21771-86-8 is a valid CAS Registry Number.

21771-86-8Relevant academic research and scientific papers

Silica sulfuric acid as a highly efficient catalyst for the synthesis of diarylacetic acids

Moore, Desiree L.,Denton, Allison E.,Kohinke, Rose M.,Craig, Brandon R.,Brenzovich, William E.

supporting information, p. 604 - 612 (2016/07/06)

ABSTRACT: An efficient heterogeneous method for the synthesis of diarylacetic acids was developed utilizing silica sulfuric acid as a catalyst. The reaction is highly efficient with a small amount of catalyst for the combination of a variety of electron-n

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