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66004-24-8

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66004-24-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66004-24-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,0,0 and 4 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 66004-24:
(7*6)+(6*6)+(5*0)+(4*0)+(3*4)+(2*2)+(1*4)=98
98 % 10 = 8
So 66004-24-8 is a valid CAS Registry Number.

66004-24-8Relevant articles and documents

Synthesis of Pentafluoroethyl Ethers by Silver-Mediated Oxidative Pentafluoroethylation of Alcohols and Phenols

Fu, Mao-Lin,Liu, Jian-Bo,Xu, Xiu-Hua,Qing, Feng-Ling

supporting information, p. 3702 - 3709 (2017/04/11)

A silver triflate (AgOTf)-mediated oxidative pentafluoroethylation of alcohols and phenols with nucleophilic (pentafluoroethyl)trimethylsilane (TMSCF2CF3) using selectfluor as oxidant under mild reaction conditions was developed. This oxidative coupling protocol utilizes broadly available substrates and easily handled reagents to afford various pentafluoroethyl ethers in moderate to excellent yields. Furthermore, this method was extended to the oxidative heptafluoropropylation and ethoxycarbonyldifluoromethylation of alcohols and phenols for preparation of the corresponding fluoroalkyl ethers.

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