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86631-57-4

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86631-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 86631-57-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,6,3 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 86631-57:
(7*8)+(6*6)+(5*6)+(4*3)+(3*1)+(2*5)+(1*7)=154
154 % 10 = 4
So 86631-57-4 is a valid CAS Registry Number.

86631-57-4Relevant articles and documents

New and Improved Synthesis of Optically Pure (R)- and (S)-2,2'-Dimethyl-1,1'-binaphthyl and Related Compounds

Maigrot, Nicole,Mazaleyrat, Jean-Paul

, p. 317 - 320 (1985)

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METHODE SIMPLE DE SYNTHESE D'AGENTS DE TRANSFERT CHIRAUX PAR ACTION D'UN AGENT ALKYLANT A SQUELETTE BINAPHTYLE-1,1'

Mazaleyrat, J. P.

, p. 1243 - 1246 (2007/10/02)

A general way for introducing axial chirality in phase transfer catalysts, by quaternarization with 2,2'-bis(bromomethyl)-1,1'-binaphtyl, is described and applied to l(-) ephedrine.One of the resulting catalysts gives 37 percent ee in epoxydation of chalcone.

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