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199847-74-0

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199847-74-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 199847-74-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,8,4 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 199847-74:
(8*1)+(7*9)+(6*9)+(5*8)+(4*4)+(3*7)+(2*7)+(1*4)=220
220 % 10 = 0
So 199847-74-0 is a valid CAS Registry Number.

199847-74-0Downstream Products

199847-74-0Relevant articles and documents

Desilylation of (Z)-α-dimethylphenylsilyl vinyl sulfides with fluoride ion: Revised mechanism for phenyl group migration in substrates containing an electron-withdrawing group β to the sulfur

Bonini, Bianca Flavia,Franchini, Mauro Comes,Fochi, Mariafrancesca,Mazzanti, Germana,Ricci, Alfredo

, p. 3211 - 3217 (2007/10/03)

A detailed investigation of the desilylation of (Z)-α-dimethylphenylsilyl vinyl sulfides with fluoride ion has shown that in substrates containing an electron-withdrawing group β to the sulfur, phenyl group migration occurs as a result of a fluoride ion catalyzed retro-Michael reaction.

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