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63157-19-7

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63157-19-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 63157-19-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,1,5 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 63157-19:
(7*6)+(6*3)+(5*1)+(4*5)+(3*7)+(2*1)+(1*9)=117
117 % 10 = 7
So 63157-19-7 is a valid CAS Registry Number.

63157-19-7Relevant articles and documents

Synthesis of 2-Benzoylbenzofurans via Palladium(II)-catalyzed Cascade Reactions

Luo, Haofan,Wang, Zijuan,Chen, Wenteng,He, Chang,Zhang, Guolin

, p. 127 - 137 (2021/03/16)

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Tandem addition/cyclization for synthesis of 2-aroyl benzofurans and 2-aroyl indoles by carbopalladation of nitriles

Gong, Julin,Hu, Kun,Shao, Yinlin,Li, Renhao,Zhang, Yetong,Hu, Maolin,Chen, Jiuxi

, p. 488 - 494 (2020/02/03)

The first example of the palladium-catalyzed tandem addition/cyclization of 2-(2-acylphenoxy)acetonitriles with arylboronic acids has been developed, providing a new strategy for the synthesis of 2-aroyl benzofurans with excellent chemoselectivity and wid

Syntheses of 2-Aroyl Benzofurans through Cascade Annulation on Arynes

Gouthami, Pashikanti,Chavan, Lahu N.,Chegondi, Rambabu,Chandrasekhar, Srivari

, p. 3325 - 3332 (2018/03/25)

The highly efficient and expedient route for the syntheses of 2-aroyl benzofurans has been developed via the cascade [2+2] followed by a [4+1] annulation on arynes. The overall transformation proceeded through the formation of ortho-quinone methide by the

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