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1391722-22-7

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1391722-22-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1391722-22-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,1,7,2 and 2 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1391722-22:
(9*1)+(8*3)+(7*9)+(6*1)+(5*7)+(4*2)+(3*2)+(2*2)+(1*2)=157
157 % 10 = 7
So 1391722-22-7 is a valid CAS Registry Number.

1391722-22-7Downstream Products

1391722-22-7Relevant articles and documents

Preparation of (E)-4-aryl-1,1,1-trifluoro-3-tosylbut-3-en-2-ones as fluorinated building blocks and their application in ready and highly stereoselective routes to trans-2,3-dihydrofurans substituted with trifluoromethyl and sulfonyl groups

Yu, Haigang,Han, Jing,Chen, Jie,Deng, Hongmei,Shao, Min,Zhang, Hui,Cao, Weiguo

, p. 3142 - 3150 (2012)

(E)-4-Aryl-1,1,1-trifluoro-3-tosylbut-3-en-2-one fluorinated building blocks were prepared through a two-step process. Treatment of these (E)-4-aryl-1,1,1-trifluoro-3-tosylbut-3-en-2-ones with arsonium bromides in the presence of Cs2CO3/s

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