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201480-89-9

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201480-89-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201480-89-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,4,8 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 201480-89:
(8*2)+(7*0)+(6*1)+(5*4)+(4*8)+(3*0)+(2*8)+(1*9)=99
99 % 10 = 9
So 201480-89-9 is a valid CAS Registry Number.

201480-89-9Downstream Products

201480-89-9Relevant articles and documents

Ruthenium-catalyzed oxidation of alkynes to 1,2-diketones under room temperature and one-pot synthesis of quinoxalines

Xu, Yuan,Wan, Xiaobing

supporting information, p. 642 - 645 (2013/02/23)

A ruthenium-catalyzed alkyne oxidation to 1,2-diketones using Oxone under room temperature is reported. Both substrate scope and mechanism were discussed. Notably, combination of the alkyne oxidation and condensation cyclization in one pot offers a very efficient and convenient entry into quinoxaline derivatives.

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