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92180-71-7

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92180-71-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92180-71-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,1,8 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 92180-71:
(7*9)+(6*2)+(5*1)+(4*8)+(3*0)+(2*7)+(1*1)=127
127 % 10 = 7
So 92180-71-7 is a valid CAS Registry Number.

92180-71-7Downstream Products

92180-71-7Relevant articles and documents

ACTION DES COMPOSES ORGANOMAGNESIENS SUR LES PYRONES-2 - VII ETUDE DE LA STABILITE RELATIVE DES HYDROXY-6 DYHIDRO-5,6 2H-PYRANNES ET DES CETOLS TAUTOMERES CORRESPONDANTS

Lhoste, P.,Moreau, M.,Dreux, J.

, p. 1551 - 1562 (2007/10/02)

In the reaction between organomagnesium compounds and 2-pyrones, the relative stability of the 6-hydroxy 5,6 2H-pyrans and their tautomeric forms (ketols) has no influence on the reaction pathway.When ethylenic ketols are obtained, the corresponding tautomeric dihydropyranols are prepared in a selective way by reaction of nucleophilic reagents on the 3,6-dihydropyrones.In the other hand, the exclusive formation either of the dihydropyranols or of the unsatured ketols E, during these two reactions, shows up that here is no equilibrium between these two entities in the experimental conditions.

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