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64254-55-3

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64254-55-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64254-55-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,2,5 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 64254-55:
(7*6)+(6*4)+(5*2)+(4*5)+(3*4)+(2*5)+(1*5)=123
123 % 10 = 3
So 64254-55-3 is a valid CAS Registry Number.

64254-55-3Relevant articles and documents

Carbon-chain isomerization during the electrochemical fluorination in anhydrous hydrogen fluoride - A mechanistic study

Ignat'ev, Nikolai V.,Welz-Biermann, Urs,Heider, Udo,Kucheryna, Andriy,von Ahsen, Stefan,Habel, Wolfgang,Sartori, Peter,Willner, Helge

, p. 21 - 37 (2003)

The compounds i-C4H9SO2F, i-C3H7SO2F and cyclo-C3 H7C(O)F have been subjected to electrochemical fluorination in anhydrous hydrogen fluoride. The resulting products were fully analyzed by NMR spectroscopy. From the reaction balances, literature data and quantum chemical calculations, a new mechanism for carbon-chain isomerization during the electrochemical fluorination (ECF) is proposed. The key step in the formation of isomeric products is believed to be a ring closure reaction involving carbo-cationic or biradical intermediates.

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