Cas 1253101-17-5,diethylcarbamoylmethyl phenylpropiolate

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Check Digit Verification of cas no

The CAS Registry Mumber 1253101-17-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,3,1,0 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1253101-17:
(9*1)+(8*2)+(7*5)+(6*3)+(5*1)+(4*0)+(3*1)+(2*1)+(1*7)=95
95 % 10 = 5
So 1253101-17-5 is a valid CAS Registry Number.

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1253101-17-5Relevant articles and documents

Cu(I)-catalyzed carboxylative coupling of terminal alkynes, allylic chlorides, and CO2

Zhang, Wen-Zhen,Li, Wen-Jie,Zhang, Xiao,Zhou, Hui,Lu, Xiao-Bing

supporting information; experimental part, p. 4748 - 4751 (2010/12/25)

A highly selective synthesis of a variety of functionalized allylic 2-alkynoates was realized via the carboxylative coupling of terminal alkynes, allylic chlorides, and CO2 catalyzed by the N-heterocyclic carbene copper(I) complex (IPr)CuCl. The catalyst can be easily recovered without any loss in activity and product selectivity.

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1253101-17-5