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33279-62-8

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33279-62-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33279-62-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,2,7 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 33279-62:
(7*3)+(6*3)+(5*2)+(4*7)+(3*9)+(2*6)+(1*2)=118
118 % 10 = 8
So 33279-62-8 is a valid CAS Registry Number.

33279-62-8Downstream Products

33279-62-8Relevant academic research and scientific papers

A New Route to 6-Azachromones. An Improved Synthesis of 2-Azaxanthone

Cordonnier, Guy,Sliwa, Henri

, p. 111 - 115 (2007/10/02)

Condensation of the morpholine enamine of 1-benzyl-4-piperidone with β-ketoesters yielded 6-azatetrahydrochromones which were debenzylated and aromatized to 6-azachromones; 2-azaxanthone has been thus obtained with an improved yield as compared to previous syntheses.

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