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7263-39-0

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7263-39-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7263-39-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,6 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 7263-39:
(6*7)+(5*2)+(4*6)+(3*3)+(2*3)+(1*9)=100
100 % 10 = 0
So 7263-39-0 is a valid CAS Registry Number.

7263-39-0Downstream Products

7263-39-0Relevant articles and documents

A simple approach for the synthesis of 7,8-diaza[5]helicene

Caronna, Tullio,Fontana, Francesca,Mele, Andrea,Sora, Isabella Natali,Panzeri, Walter,Vigano, Luca

, p. 413 - 416 (2008)

An oxidative route for the formation of 7,8-diaza[5]helicene and the corresponding N-oxides in high yields was developed. A mechanism of formation and possible interconversion of these products is put forward. Reduction of the N-oxides provided the title compound in quantitative yield. Georg Thieme Verlag Stuttgart.

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