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2-(2-Chloro-4-nitro-benzenesulfonyl)-1-thiophen-2-yl-ethanone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

209911-01-3

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209911-01-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 209911-01-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,9,1 and 1 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 209911-01:
(8*2)+(7*0)+(6*9)+(5*9)+(4*1)+(3*1)+(2*0)+(1*1)=123
123 % 10 = 3
So 209911-01-3 is a valid CAS Registry Number.

209911-01-3Downstream Products

209911-01-3Relevant academic research and scientific papers

Cyclization Reactions of 2-(2-Chloro-4-nitrophenylsulfonyl)-1-(2-thienyl)ethanone

Fan, Ai-Long,Cao, Song,Xu, Jing-Hua,Zhang, Zheng

, p. 477 - 479 (2007/10/03)

A new sulfonyl group-containing heterocyclic compound 2-(2-chloro-4-nitrophenylsuIfonyl)-1-(2-thienyl)ethanone 2 was prepared from the corresponding sulfide 2-(2-chloro-4-nitrophenylthio)-1-(2-thienyl)ethanone 1. Two different cyclization reactions of the

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