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1043904-22-8

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1043904-22-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1043904-22-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,3,9,0 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1043904-22:
(9*1)+(8*0)+(7*4)+(6*3)+(5*9)+(4*0)+(3*4)+(2*2)+(1*2)=118
118 % 10 = 8
So 1043904-22-8 is a valid CAS Registry Number.

1043904-22-8Relevant articles and documents

Microwave-assisted simple synthesis of substituted 4-quinolone derivatives

Cao, Xin,You, Qi-Dong,Li, Zhi-Yu,Yang, Yan,Wang, Xiao-Jian

experimental part, p. 4375 - 4383 (2010/05/01)

A simple and efficient method was developed for the synthesis of 4-quinolone-3-carboxylic esters and 4-quinolone-3-carbonitriles under microwave (MW) activation using anilines and acrylates as materials. All reactions demonstrated the benefits of microwave reactions: convenient operation, short reaction time, and good yields.

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