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(E)-1,3-dimethyl-3-styrylindolin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1240239-75-1

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1240239-75-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1240239-75-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,2,3 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1240239-75:
(9*1)+(8*2)+(7*4)+(6*0)+(5*2)+(4*3)+(3*9)+(2*7)+(1*5)=121
121 % 10 = 1
So 1240239-75-1 is a valid CAS Registry Number.

1240239-75-1Downstream Products

1240239-75-1Relevant academic research and scientific papers

Iodine-Catalyzed Direct Olefination of 2-Oxindoles and Alkenes via Cross-Dehydrogenative Coupling (CDC) in Air

Huang, Hong-Yan,Wu, Hong-Ru,Wei, Feng,Wang, Dong,Liu, Li

supporting information, p. 3702 - 3705 (2015/08/18)

A direct intermolecular olefination of sp3 C-H bond between 2-oxindoles and simple alkenes via a Cross-Dehydrogenative Coupling (CDC) strategy has been developed. In the absence of additional base, moderate to excellent yields have been obtaine

Pd-catalyzed Heck-type cascade reactions with N-tosyl hydrazones: An efficient way to alkenes via in situ generated alkylpalladium

Liu, Xianglei,Ma, Xinna,Huang, Yunze,Gu, Zhenhua

, p. 4814 - 4817 (2013/10/08)

A palladium-catalyzed Heck-type cascade reaction of aryl halides and N-tosyl hydrazones is reported. The neopentylpalladium species, generated from an intramolecular Heck-type insertion reaction of aryl halides, could efficiently react with carbenes to fo

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