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1021489-11-1

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1021489-11-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1021489-11-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,4,8 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1021489-11:
(9*1)+(8*0)+(7*2)+(6*1)+(5*4)+(4*8)+(3*9)+(2*1)+(1*1)=111
111 % 10 = 1
So 1021489-11-1 is a valid CAS Registry Number.

1021489-11-1Downstream Products

1021489-11-1Relevant articles and documents

Selenium-containing heterocycles from isoselenocyanates: 4-Methylselenazole derivatives from the reaction with malononitrile and propargyl chloride

Sommen, Geoffroy L.,Linden, Anthony,Heimgartner, Heinz

experimental part, p. 209 - 219 (2009/02/07)

Aryl isoselenocyanates 1 react with malononitrile (6a) and propargyl chloride (8) in DMF in the presence of Et3N to give the corresponding 2-(3-aryl-2,3-dihydro-4-methyl-1,3-selenazol-2-ylidene)malononitriles 12 as major products. The analogous

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