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142977-70-6

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142977-70-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142977-70-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,9,7 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 142977-70:
(8*1)+(7*4)+(6*2)+(5*9)+(4*7)+(3*7)+(2*7)+(1*0)=156
156 % 10 = 6
So 142977-70-6 is a valid CAS Registry Number.

142977-70-6Downstream Products

142977-70-6Relevant articles and documents

Photoredox Catalysis Mediated Application of Methyl Fluorosulfonyldifluoroacetate as the CF2CO2R Radical Source

Yu, Wei,Xu, Xiu-Hua,Qing, Feng-Ling

supporting information, p. 5130 - 5133 (2016/10/14)

A new application of trifluoromethylating reagent, methyl fluorosulfonyldifluoroacetate (FO2SCF2CO2Me, Chen's reagent), as the carbomethoxydifluoromethylating reagent under visible light photoredox conditions is reported. The visible-light-induced reaction of FO2SCF2CO2Me with unactivated alkenes, styrenes, or heteroarenes affords a variety of carbomethoxydifluoromethylated products.

α,α-Difluoroalkanecarboxylic acids: A general synthesis via alkyl radical addition to 1,1-dichloro-2,2-difluoroethylene

Okano,Takakura,Nakano,Eguchi

, p. 3491 - 3494 (2007/10/02)

Photodecomposition of alkanoic acid esters of N-hydroxy-2-thiopyridone with 1,1-dichloro-2,2-difluoroethylene gives alkyl-radical-trapped products, which give α,α-difluoroalkanoic acids and their methyl esters on hydrolytic or methanolytic treatment with silver nitrate.

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