Cas 54271-45-3,1,4-diphenyl-1,4-dihydro-3(2H)-isoquinolinone

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Check Digit Verification of cas no

The CAS Registry Mumber 54271-45-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,2,7 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 54271-45:
(7*5)+(6*4)+(5*2)+(4*7)+(3*1)+(2*4)+(1*5)=113
113 % 10 = 3
So 54271-45-3 is a valid CAS Registry Number.

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54271-45-3Relevant academic research and scientific papers

HYDROGENATION OF 3(2H)-ISOQUINOLINONES AND THE STEREOCHEMISTRY OF THE PRODUCTS

Toth, Gabor,Hazai, Laszlo,Deak, Gyula,Duddeck, Helmut,Kuehne, Harald,Hricovini, Milos

, p. 6861 - 6870 (2007/10/02)

A new route of preparing 1,4-dihydro-3(2H)-isoquinolinones and 5,6,7,8-tetrahydroisoquinolinones was developed by the hydrogenation of 3(2H)-isoquinolinones.The 1,4-dihydro compounds 1-8 were also prepared by synthesis, when the cis-trans ratio significan

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