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1240382-25-5

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1240382-25-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1240382-25-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,3,8 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1240382-25:
(9*1)+(8*2)+(7*4)+(6*0)+(5*3)+(4*8)+(3*2)+(2*2)+(1*5)=115
115 % 10 = 5
So 1240382-25-5 is a valid CAS Registry Number.

1240382-25-5Upstream product

1240382-25-5Downstream Products

1240382-25-5Relevant 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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