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1117722-84-5

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1117722-84-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1117722-84-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,1,7,7,2 and 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1117722-84:
(9*1)+(8*1)+(7*1)+(6*7)+(5*7)+(4*2)+(3*2)+(2*8)+(1*4)=135
135 % 10 = 5
So 1117722-84-5 is a valid CAS Registry Number.

1117722-84-5Downstream Products

1117722-84-5Relevant articles and documents

Microwave-assisted efficient synthesis of 2-arylbenzo[b]furans and 2-ferrocenylbenzo[b]furans from readily prepared propargylic alcohols and o-iodophenols

Wu, Liansheng,Shi, Xiaokang,Xu, Xiaoyun,Liang, Fen,Huang, Guosheng

experimental part, p. 697 - 702 (2012/07/03)

A simple, efficient and expeditious method for synthesis of 2-arylbenzo[b]furans and 2- ferrocenylbenzo[b]furans from readily prepared propargylic alcohols, o-iodophenols and silica gel with the catalyst of PdCl2(PPh3)2 (2 mol%)/CuI (2mol%) and microwave-promoted Sonogashira coupling/cyclization reaction is developed. The methodology can produce good to excellent yields. In addition, this method can also be completed in one-pot with iodobenzene, 2-methyl-3-butyn-2-ol and 2-iodo-4-methylphenol as reactants. Indian Academy of Sciences.

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