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185844-35-3

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185844-35-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 185844-35-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,5,8,4 and 4 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 185844-35:
(8*1)+(7*8)+(6*5)+(5*8)+(4*4)+(3*4)+(2*3)+(1*5)=173
173 % 10 = 3
So 185844-35-3 is a valid CAS Registry Number.

185844-35-3Relevant articles and documents

Chemistry of silyl thioketones. Part 10. Synthesis and reactivity of α-silyl vinyl sulfldes

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

, p. 2803 - 2809 (2007/10/03)

Aliphatic silyl thioketones containing an α-hydrogen atom undergo enethiolization to Z-α-silyl enethiols 2. Compounds 2 react with a variety of halides R3X to give open-chain α-silyl vinyl sulfides 3. Protiodesilylation of 3 was achieved upon treatment with fluoride ion to give vinyl sulfides 4. Reaction of 3 with Grignard reagents, in the presence of an appropriate nickel catalyst, results in a series of vinylsilanes 5 with a specific geometry.

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