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5-oxo-5-o-tolyl-pentanoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1344089-41-3

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1344089-41-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1344089-41-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,4,0,8 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1344089-41:
(9*1)+(8*3)+(7*4)+(6*4)+(5*0)+(4*8)+(3*9)+(2*4)+(1*1)=153
153 % 10 = 3
So 1344089-41-3 is a valid CAS Registry Number.

1344089-41-3Upstream product

1344089-41-3Downstream Products

1344089-41-3Relevant academic research and scientific papers

Lewis Acid-Catalyzed Selective [2 + 2]-Cycloaddition and Dearomatizing Cascade Reaction of Aryl Alkynes with Acrylates

Shen, Liang,Zhao, Kai,Doitomi, Kazuki,Ganguly, Rakesh,Li, Yong-Xin,Shen, Zhi-Liang,Hirao, Hajime,Loh, Teck-Peng

, p. 13570 - 13578 (2017)

Combined Lewis acid, consisting of two or more Lewis acids, sometimes shows unique catalytic ability, and it may promote reactions which could not be catalyzed by any of the Lewis acids solely. On the other hand, the development of efficient methods for t

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