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183867-14-3

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183867-14-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 183867-14-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,8,6 and 7 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 183867-14:
(8*1)+(7*8)+(6*3)+(5*8)+(4*6)+(3*7)+(2*1)+(1*4)=173
173 % 10 = 3
So 183867-14-3 is a valid CAS Registry Number.

183867-14-3Relevant articles and documents

Solid phase ring-closing metathesis: Cyclization/cleavage approach towards a seven membered cycloolefin

Van Maarseveen, Jan H.,Den Hartog, Jack A.J.,Engelen, Victor,Finner, Emil,Visser, Geb,Kruse, Chris G.

, p. 8249 - 8252 (1996)

The application of solid phase ring-closing metathesis (RCM) in a cyclization/cleavage strategy was demonstrated for the first time by the successful synthesis of the seven membered cycloolefin 4. Probably due to intermolecular metathetical dimerizations at the resin, 4 could not be obtained in higher yields than 54%.

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