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210540-78-6

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210540-78-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 210540-78-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,5,4 and 0 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 210540-78:
(8*2)+(7*1)+(6*0)+(5*5)+(4*4)+(3*0)+(2*7)+(1*8)=86
86 % 10 = 6
So 210540-78-6 is a valid CAS Registry Number.

210540-78-6Relevant articles and documents

Tert-Butyl Hypofluorite - An Electrophilic tert-Butoxylation Agent

Ben-David, Iris,Mishani, Eyal,Rozen, Shlomo

, p. 4632 - 4635 (1998)

tert-Butyl hypofluorite, t-BuOF, easily synthesized from Z-BuOH and F2, is a unique source of the novel electrophilic tert-butoxylium moiety t-BuO+. It was added to several benzylic double bonds to form vicinal fluoro-tert-butoxide derivatives. Not surprisingly, this bulky reagent is quite sensitive to steric hindrance. The process is electrophilic in nature, but since the reaction is relatively slow (20-60 min) formation of various radical species can take place, forming eventually several distinct byproducts. t-BuOF was also reacted with a number of enols, producing the corresponding α-tert-butoxy ketone derivatives in moderate to good yields. The best results were obtained with benzylic enol derivatives.

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