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105417-09-2

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105417-09-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105417-09-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,4,1 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 105417-09:
(8*1)+(7*0)+(6*5)+(5*4)+(4*1)+(3*7)+(2*0)+(1*9)=92
92 % 10 = 2
So 105417-09-2 is a valid CAS Registry Number.

105417-09-2Relevant articles and documents

Preparation of trifluorovinyl compounds by lithium salt-promoted monoalkylation of tetrafluoroethene

Ohashi, Masato,Kamura, Ryohei,Doi, Ryohei,Ogoshi, Sensuke

supporting information, p. 933 - 935 (2013/09/02)

Treatment of tetrafluoroethene (TFE) with diethylzinc in the presence of lithium iodide gave 1,1,2-trifluoro-1-butene in moderate yield. In the absence of lithium iodide, however, the nucleophilic addition of diethylzinc to TFE proceeded very slowly to afford ethyl 1,1,2,2-tetrafluorobutylzinc. The addition of lithium iodide to a solution of ethyl-1,1,2,2-tetrafluorobutylzinc resulted in a smooth transformation into 1,1,2-trifluoro-1-butene. In the presence of lithium chloride, the reaction of TFE with benzyl or allyl Grignard reagents afforded the corresponding monosubstituted products in good to excellent yields.

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