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22742-89-8

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22742-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22742-89-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,7,4 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 22742-89:
(7*2)+(6*2)+(5*7)+(4*4)+(3*2)+(2*8)+(1*9)=108
108 % 10 = 8
So 22742-89-8 is a valid CAS Registry Number.

22742-89-8Relevant articles and documents

ORGANOPALLADIQUES ISSUS DES ESTERS D'ALCOOLS α-ALLENIQUES: REACTIONS AVEC LES ANIONS DELOCALISES.

Djahanbini, Dariouche,Cazes, Bernard,Gore, Jaques

, p. 3441 - 3452 (2007/10/02)

The esters of α-allenic alcohols, and particularly the phosphates, react in the presence of catalytic amounts of a palladium(O) complex with the anions of β-diesters, β-ketoesters and α-phenylsulfonylesters, leading by a direct substitution to β-difunctionalized allenes.This reaction can be applied to the fast obtention of an intermediate of the synthesis of the pheromone of dried bean beetle.

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