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2-(4-chlorophenyl)benzo[b]thiophene-1,1-dioxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

51971-21-2

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51971-21-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51971-21-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,9,7 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 51971-21:
(7*5)+(6*1)+(5*9)+(4*7)+(3*1)+(2*2)+(1*1)=122
122 % 10 = 2
So 51971-21-2 is a valid CAS Registry Number.

51971-21-2Upstream product

51971-21-2Relevant academic research and scientific papers

An unexpected reaction of 2-alkynylaryldiazonium tetrafluoroborate with sulfur dioxide

Luo, Yong,Pan, Xiaolin,Chen, Chen,Yao, Liangqing,Wu, Jie

, p. 180 - 182 (2015)

An unexpected result from the reaction of 2-alkynylaryldiazonium tetrafluoroborate with sulfur dioxide is described. In the presence of morpholin-4-amine, this transformation catalyzed by copper(i) bromide proceeds through insertion of sulfur dioxide and

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