Cas 1057221-65-4,3-(3-fluorophenyl)quinoxalin-2(1H)-one

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Check Digit Verification of cas no

The CAS Registry Mumber 1057221-65-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,7,2,2 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1057221-65:
(9*1)+(8*0)+(7*5)+(6*7)+(5*2)+(4*2)+(3*1)+(2*6)+(1*5)=124
124 % 10 = 4
So 1057221-65-4 is a valid CAS Registry Number.

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1057221-65-4Downstream Products

1057224-08-4 3-(3-fluorophenyl)-1-methylquinoxalin-2(1H)-one

1057221-65-4Relevant articles and documents

K2S2O8 mediated C-3 arylation of quinoxalin-2(1H)-ones under metal-, photocatalyst- And light-free conditions

Dutta, Nibedita Baruah,Bhuyan, Mayurakhi,Baishya, Gakul

, p. 3615 - 3624 (2020)

Two facile and effective C-3 arylation protocols of quinoxalin-2(1H)-ones with arylhydrazines and aryl boronic acids respectively via free radical cross-coupling reactions under metal-, photocatalyst- and light-free conditions have been unveiled. K2

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1057221-65-4