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1588972-64-8

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1588972-64-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1588972-64-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,8,9,7 and 2 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1588972-64:
(9*1)+(8*5)+(7*8)+(6*8)+(5*9)+(4*7)+(3*2)+(2*6)+(1*4)=248
248 % 10 = 8
So 1588972-64-8 is a valid CAS Registry Number.

1588972-64-8Relevant articles and documents

Facile synthesis of halogenated spiroketals via a tandem iodocyclization

Wang, Jia,Zhu, Hai-Tao,Li, Ying-Xiu,Wang, Li-Jing,Qiu, Yi-Feng,Qiu, Zi-Hang,Zhong, Mei-Jin,Liu, Xue-Yuan,Liang, Yong-Min

, p. 2236 - 2239 (2014/05/06)

A strategy for the synthesis of spiroketal compounds through a tandem iodocyclization of 1-(2-ethynylphenyl)-4-hydroxybut-2-yn-1-one derivatives is presented. This reaction could proceed under very mild conditions in a short time and avoid the use of expensive and toxic metal catalysts. Moreover, the resulting halides can be further exploited by subsequent palladium-catalyzed coupling reactions, which act as the important intermediates for building other valuable compounds.

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