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186656-76-8

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186656-76-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 186656-76-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,6,5 and 6 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 186656-76:
(8*1)+(7*8)+(6*6)+(5*6)+(4*5)+(3*6)+(2*7)+(1*6)=188
188 % 10 = 8
So 186656-76-8 is a valid CAS Registry Number.

186656-76-8Relevant articles and documents

Synthesis of biaryls via intramolecular free radical ipso-substitution reactions

Ujjainwalla, Feroze,Da Mata, Maria Lucília E.N.,Pennell, Andrew M.K.,Escolano, Carmen,Motherwell, William B.,Vázquez, Santiago

supporting information, p. 6701 - 6719 (2015/08/24)

A variety of functionalised biaryls and heterobiaryls are prepared by intramolecular free radical [1,5]-ipso-substitution using sulfonamide and sulfonate derived tethering chains. The overall efficiency of the process is determined by appropriately positioned substituents on the aromatic acceptor ring. The extension of the process to benzylic sulfonates and their corresponding N-methylsulfonamide alternatives as substrates in potential [1,6]-ipso-substitution reactions leads mainly to the alternative [1,7] addition products.

A new route to the synthesis of bicyclo [3.3.2] nonene by radical cyclisation

Duffault, Jean-Marc,Tellier, Frederique

, p. 2467 - 2481 (2007/10/03)

Radical-induced cyclisation to form 7-membered ring with bicyclic framework was achieved by tributyltin hydride (TBTH) and α, α'-azobis- (isobutyronitrile) (AIBN).

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