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1049772-54-4

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1049772-54-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1049772-54-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,9,7,7 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1049772-54:
(9*1)+(8*0)+(7*4)+(6*9)+(5*7)+(4*7)+(3*2)+(2*5)+(1*4)=174
174 % 10 = 4
So 1049772-54-4 is a valid CAS Registry Number.

1049772-54-4Upstream product

1049772-54-4Relevant articles and documents

Practical synthesis of quinoxalinones via palladium-catalyzed intramolecular N-arylations

Luo, Xuehong,Chenard, Etienne,Martens, Peter,Cheng, Yun-Xing,Tomaszewski, Mirosaw J.

supporting information; experimental part, p. 3574 - 3577 (2010/11/05)

A practical and highly efficient route to the synthesis of pharmaceutically interesting quinoxalinone scaffolds is reported. The key step involves an intramolecular palladium-catalyzed N-arylation under microwave irradiation. The developed methodology tolerates a variety of bromoanilides to afford a diverse collection of bicyclic and polycyclic quinoxalinones in high yield.

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