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(E)-4-(4-Chloro-phenyl)-3-phenyl-4-phenylamino-but-2-enoic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

201162-26-7

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201162-26-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201162-26-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,1,6 and 2 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 201162-26:
(8*2)+(7*0)+(6*1)+(5*1)+(4*6)+(3*2)+(2*2)+(1*6)=67
67 % 10 = 7
So 201162-26-7 is a valid CAS Registry Number.

201162-26-7Downstream Products

201162-26-7Relevant academic research and scientific papers

Synthesis of 3-alkylideneindolin-2-ones via 3-aza-cope rearrangement

Katritzky, Alan R.,Feng, Daming,Qi, Ming,Lang, Hengyuan,Steel, Peter J.

, p. 419 - 424 (2007/10/03)

3-AlkylideneindoIin-2-ones were prepared from propargylbenzotriazols in two steps via a selective nucleophilic reaction of an allene dianion followed by 3-aza-Cope rearrangement.The structure of 3-alkylideneindolin-2-one 8a was determined by X-ray crystal

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