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81763-23-7

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81763-23-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81763-23-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,6 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81763-23:
(7*8)+(6*1)+(5*7)+(4*6)+(3*3)+(2*2)+(1*3)=137
137 % 10 = 7
So 81763-23-7 is a valid CAS Registry Number.

81763-23-7Downstream Products

81763-23-7Relevant articles and documents

Synthesis of Hydroxybenzoic Acids and Their Esters by Reaction of Phenols with Carbon Tetrachloride and Alcohols in the Presence of Iron Catalysts

Bayguzina,Tarisova,Khusnutdinov

, p. 208 - 215 (2018/03/26)

Alkyl esters of hydroxy-, methoxy-, and ethoxybenzoic and cresotic acids have been synthesized by reaction of phenols, anisole, phenetole, and cresols with carbon tetrachloride and alcohols in the presence of iron catalysts.

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