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18231-97-5

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18231-97-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18231-97-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,2,3 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 18231-97:
(7*1)+(6*8)+(5*2)+(4*3)+(3*1)+(2*9)+(1*7)=105
105 % 10 = 5
So 18231-97-5 is a valid CAS Registry Number.

18231-97-5Relevant articles and documents

Odorless, Regioselective Synthesis of Diaryl Sulfides and α-Thioaryl Carbonyls from Sodium Arylsulfinates via a Metal- Free Radical Strategy in Water

Lin, Ya-Mei,Lu, Guo-Ping,Wang, Gui-Xiang,Yi, Wen-Bin

supporting information, p. 4100 - 4105 (2016/12/30)

Regioselective arylthiolations of aromatic amines, arenols and ketones via C–H bond functionalization have been achieved with I2and PPh3in an aqueous system, whereby arylsulfenyl radicals are in situ generated from odorless sodium arylsulfinates. The arylsulfenyl radicals can react with free anilines containing electron-withdrawing groups and complex substrates (estrone and progesterone). Further experiments and quantum chemical calculations were also performed to deduce a mechanism for the formation of arylsulfenyl radicals. (Figure presented.).

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