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271244-53-2

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271244-53-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 271244-53-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,1,2,4 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 271244-53:
(8*2)+(7*7)+(6*1)+(5*2)+(4*4)+(3*4)+(2*5)+(1*3)=122
122 % 10 = 2
So 271244-53-2 is a valid CAS Registry Number.

271244-53-2Downstream Products

271244-53-2Relevant academic research and scientific papers

First asymmetric intermolecular bromoesterification catalyzed by chiral Bronsted acid

Li, Guang-Xun,Fu, Qing-Quan,Zhang, Xiao-Mei,Jiang, Jun,Tang, Zhuo

experimental part, p. 245 - 251 (2012/06/15)

The first successful enantioselective intermolecular bromoesterification was realized by using a chiral phosphoric acid as a catalyst. The reaction was optimized after screening 2-aminopyridine based basic catalysts, cinchona alkaloid based basic catalyst

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