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141694-46-4

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141694-46-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141694-46-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,6,9 and 4 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 141694-46:
(8*1)+(7*4)+(6*1)+(5*6)+(4*9)+(3*4)+(2*4)+(1*6)=134
134 % 10 = 4
So 141694-46-4 is a valid CAS Registry Number.

141694-46-4Upstream product

141694-46-4Downstream Products

141694-46-4Relevant articles and documents

Mechanistic studies on PET-oxidative cyclization of unsaturated silyl enol ethers: Dependence of the regioselectivity on alcohol addition and pressure effects

Ackermann, Lutz,Heidbreder, Andreas,Wurche, Frank,Klaerner, Frank-Gerrit,Mattay, Jochen

, p. 863 - 869 (2007/10/03)

Unsaturated silyl enol ethers are irradiated in the presence of electron transfer sensitizers. The efficiency of the cyclization reaction using different sensitizers is investigated. The endo/exo regiochemistry of the ring closure reaction can either be controlled by variation of the silyl group or by addition of alcohol. Furthermore, a dependence of the regiochemistry on pressure is revealed and it seems that it can be related to acetonitrile acting as a nucleophile at 1500 bar. As key intermediates radical cations and radicals are involved.

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