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1240795-79-2

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1240795-79-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1240795-79-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,7,9 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1240795-79:
(9*1)+(8*2)+(7*4)+(6*0)+(5*7)+(4*9)+(3*5)+(2*7)+(1*9)=162
162 % 10 = 2
So 1240795-79-2 is a valid CAS Registry Number.

1240795-79-2Downstream Products

1240795-79-2Relevant articles and documents

Hypervalent iodine-mediated oxygenative phenol dearomatization reactions

Pouységu, Laurent,Sylla, Tahiri,Garnier, Tony,Rojas, Luis B.,Charris, Jaime,Deffieux, Denis,Quideau, Stéphane

experimental part, p. 5908 - 5917 (2010/09/09)

Both λ3- and λ5-iodanes have proven to be useful reagents in the oxygenative dearomatization of phenols, and exploitations of their chemistry in the conception of both substrate- and reagent-controlled asymmetric variants of such a transformation of great value for natural product synthesis have shown evident signs of success. Moreover, the use of stabilized IBX (i.e., SIBX) in our methodology for O-demethylation of 2-methoxyphenols, which relies on the same key oxygenating dearomatization event, is reported here to be much more efficacious than that of IBX itself in the chemoselective one-step conversion of homovanillyl alcohol into hydroxytyrosol, and bergenin into norbergenin.

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