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1263153-05-4

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1263153-05-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1263153-05-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,3,1,5 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1263153-05:
(9*1)+(8*2)+(7*6)+(6*3)+(5*1)+(4*5)+(3*3)+(2*0)+(1*5)=124
124 % 10 = 4
So 1263153-05-4 is a valid CAS Registry Number.

1263153-05-4Relevant articles and documents

Synthesis of 3-aryl-2-[hydroxy(diaryl)methyl]-4-oxo-3,4-dihydroquinazolines

Shemchuk,Chernykh,Levashov,Sytnik,Shemchuk

experimental part, p. 1687 - 1690 (2011/03/19)

By heating arylamides of N-ethoxalylanthranilic acid in the acetic acid mediun in the presence of triethylamine the corresponding ethyl 3-aryl-4-oxo-3,4-dihydroquinazoline-2-carboxylates were obtained. The latter in the conditions of the Grignard reaction formed 3-aryl-2-[hydroxy-(diaryl)methyl] -4-oxo-3,4-dihydroquinazolines. Pleiades Publishing, Ltd., 2010.

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