Cas 1252663-44-7,C25H22N4O4

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Check Digit Verification of cas no

The CAS Registry Mumber 1252663-44-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,2,6,6 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1252663-44:
(9*1)+(8*2)+(7*5)+(6*2)+(5*6)+(4*6)+(3*3)+(2*4)+(1*4)=147
147 % 10 = 7
So 1252663-44-7 is a valid CAS Registry Number.

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1252663-44-7Relevant articles and documents

Synthesis of zwitterionic salts via three-component reactions of pyridacylpyridinum iodide, aromatic aldehydes, and Meldrum acid or N,N-dimethylbarbituric acid

Han, Ying,Chen, Jiao,Hui, Li,Yan, Chao-Guo

experimental part, p. 7743 - 7748 (2010/10/21)

New zwitterionic salts of pyridinium-Meldrum acid and pyridinium-barbituric acid are conveniently synthesized from the three-component reactions of 2-, 3-, or 4-pyridacylpyridinum iodides, aromatic aldehydes, and Meldrum acid or N,N-dimethylbarbituric aci

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1252663-44-7