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27705-07-3

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27705-07-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27705-07-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,7,0 and 5 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 27705-07:
(7*2)+(6*7)+(5*7)+(4*0)+(3*5)+(2*0)+(1*7)=113
113 % 10 = 3
So 27705-07-3 is a valid CAS Registry Number.

27705-07-3Downstream Products

27705-07-3Relevant articles and documents

Preparation and reaction chemistry of novel silicon-substituted 1,3-dienes

Choudhury, Partha P.,Welker, Mark E.

, p. 16892 - 16907 (2015)

2-Silicon-substituted 1,3-dienes containing non transferrable groups known to promote transmetallation were prepared by Grignard chemistry and enyne metathesis. These dienes participated in one pot metathesis/Diels-Alder reactions in regio- and diastereoselective fashions. Electron-rich alkenes showed the fastest rates in metathesis reactions, and ethylene, a commonly used metathesis promoter slowed enyne metathesis. 2-Pyridyldimethylsilyl and 2-thienyldimethylsilyl substituted Diels-Alder cycloadducts participated in cross-coupling chemistry and the 2-thienyldimethylsilyl substituted cycloadducts underwent cross-coupling under very mild reaction conditions.

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