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1435489-74-9

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1435489-74-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1435489-74-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,5,4,8 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1435489-74:
(9*1)+(8*4)+(7*3)+(6*5)+(5*4)+(4*8)+(3*9)+(2*7)+(1*4)=189
189 % 10 = 9
So 1435489-74-9 is a valid CAS Registry Number.

1435489-74-9Downstream Products

1435489-74-9Relevant articles and documents

Efficient direct ester condensation between equimolar amounts of carboxylic acids and alcohols catalyzed by trifluoromethanesulfonic acid (TfOH) in Solkane365mfc

Xu, Xiu-Hua,Azuma, Ayaka,Taniguchi, Misaki,Tokunaga, Etsuko,Shibata, Norio

, p. 3848 - 3852 (2013/04/23)

A simple, practical, and environmentally benign esterification protocol has been devised on the basis of TfOH as the catalyst and Solkane365mfc as the reaction medium. The direct condensation of equimolar amounts of various carboxylic acids and alcohols was conveniently carried out without recourse to any additional water removal technique, giving the desired carboxylic esters in excellent yields.

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