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72610-20-9

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72610-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72610-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,6,1 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 72610-20:
(7*7)+(6*2)+(5*6)+(4*1)+(3*0)+(2*2)+(1*0)=99
99 % 10 = 9
So 72610-20-9 is a valid CAS Registry Number.

72610-20-9Relevant articles and documents

Silicon in Synthesis. 8. Vinyltrimethylsilane, a Convenient Ethylene Equivalent for the Synthesis of Vinyl Aryl Sulfides, Vinyl Aryl Sulfoxides, Thiosilylketene Acetals, and Fused Cyclopentenones

Cooke, Frank,Moerck, Rudi,Schwindeman, James,Magnus, Phillip

, p. 1046 - 1053 (2007/10/02)

Vinyltrimethylsilane reacts with a variety of arylsulfenyl chlorides to give 2-chloro-1-(trimethylsilyl)ethyl aryl sulfide adducts 9-13.These adducts can be converted into vinyl aryl sulfides and vinyl aryl sulfoxides, and for the case of 2-chloro-1-(trimethylsilyl)ethyl phenyl sulfide (11), treatment with 1,5-diazabicyclonon-5-ene (DBN) gave 1-(trimethylsilyl)-1-(phenylthio)ethylene (24). α,β-Unsaturated acid chlorides react with vinyltrimethylsilane in the presence of stannic tetrachloride to give fused cyclopentenones.In all of the reaction described, vinyltrimethylsilane serves as a convenient ethylene equivalent.

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