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109943-26-2

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109943-26-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109943-26-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,4 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 109943-26:
(8*1)+(7*0)+(6*9)+(5*9)+(4*4)+(3*3)+(2*2)+(1*6)=142
142 % 10 = 2
So 109943-26-2 is a valid CAS Registry Number.

109943-26-2Downstream Products

109943-26-2Relevant articles and documents

Copper(I)-catalyzed S-arylation of thiols with activated aryl chlorides on water

Herrero, María Teresa,SanMartin, Raul,Domínguez, Esther

, p. 1500 - 1503 (2009)

Copper chloride-catalyzed S-arylation of arenethiols is effected with activated aryl chlorides in neat water by using ethylenediamine as the pair ligand/base. This convenient, environmentally more friendly procedure for the coupling of aryl chlorides allows the arylation between sterically demanding coupling partners.

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