Cas 1258979-63-3,C25H17ClN2O5

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Check Digit Verification of cas no

The CAS Registry Mumber 1258979-63-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,8,9,7 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1258979-63:
(9*1)+(8*2)+(7*5)+(6*8)+(5*9)+(4*7)+(3*9)+(2*6)+(1*3)=223
223 % 10 = 3
So 1258979-63-3 is a valid CAS Registry Number.

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1258979-63-3Relevant academic research and scientific papers

3-[2(4)-Pyrimidinyl]coumarins and their condensed analogs

Shokol,Nestorak,Turov,Gunko,Volovenko,Khilya

, p. 829 - 838 (2010)

3-Pyrimidinylcoumarins have been synthesized by interacting 2- and 4-pyrimidinylacetonitriles with substituted salicylic aldehydes, but 9-pyrimidinylpyrano[2,3-f]chromene-4,8-diones were obtained with 8-formyl-7-hydroxychromones. Modification of the corre

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