Cas 1309782-73-7,C25H16N2O3

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Check Digit Verification of cas no

The CAS Registry Mumber 1309782-73-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,7,8 and 2 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1309782-73:
(9*1)+(8*3)+(7*0)+(6*9)+(5*7)+(4*8)+(3*2)+(2*7)+(1*3)=177
177 % 10 = 7
So 1309782-73-7 is a valid CAS Registry Number.

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1309782-73-7Relevant academic research and scientific papers

Annulations of isoquinoline and β-carboline ring systems: Synthesis of 8-oxoprotoberberine derivatives

Husinec, Suren,Savic, Vladimir,Simic, Milena,Tesevic, Vele,Vidovic, Dragoslav

, p. 2733 - 2736 (2011/06/19)

Annulation processes of isoquinoline and β-carboline compounds have been investigated leading to synthetic routes for the preparation of 8-oxoprotoberberine derivatives. The key steps combined a diene formation/Diels-Alder cycloaddition reaction to afford

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