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1258865-49-4

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1258865-49-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1258865-49-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,8,8,6 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1258865-49:
(9*1)+(8*2)+(7*5)+(6*8)+(5*8)+(4*6)+(3*5)+(2*4)+(1*9)=204
204 % 10 = 4
So 1258865-49-4 is a valid CAS Registry Number.

1258865-49-4Downstream Products

1258865-49-4Relevant academic research and scientific papers

Aza-Michael addition of acrylonitrile with 2-aryloxymethylbenzimidazole derivatives under microwave irradiation

Wei, Tai-Bao,Hua, Mao-Tang,Shi, Hai-Xiong,Liu, Yong,Zhang, You-Ming

experimental part, p. 452 - 454 (2010/12/24)

A simple, rapid, and highly efficient method has been developed for the aza-Michael addition of acrylonitrile to 2-aryl-oxymethylbenzimidazole derivatives in the presence of anhydrous potassium carbonate under microwave irradiation. A series novel of 1-cyanoethyl-2-aryloxymethylbenzimidazole derivatives have been prepared and characterised by 1H NMR, 13C NMR, IR spectra and elemental analysis.

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