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1217597-37-9

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1217597-37-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1217597-37-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,5,9 and 7 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1217597-37:
(9*1)+(8*2)+(7*1)+(6*7)+(5*5)+(4*9)+(3*7)+(2*3)+(1*7)=169
169 % 10 = 9
So 1217597-37-9 is a valid CAS Registry Number.

1217597-37-9Downstream Products

1217597-37-9Relevant articles and documents

Practical and efficient synthesis of pyrano[3,2-c]pyridone, pyrano[4,3-b]pyran and their hybrids with nucleoside as potential antiviral and antileishmanial agents

Fan, Xuesen,Feng, Dong,Qu, Yingying,Zhang, Xinying,Wang, Jianji,Loiseau, Philippe M.,Andrei, Graciela,Snoeck, Robert,Clercq, Erik De

supporting information; experimental part, p. 809 - 813 (2010/05/18)

A highly practical and efficient preparation of pyrano[3,2-c]pyridone and pyrano[4,3-b]pyran derivatives was developed via an ionic liquid mediated and promoted multi-component reaction of aldehyde (1), 4-hydroxy-pyridin-2(1H)-one or 4-hydroxy-2-pyranone (2), and malononitrile (3). As an application, a series of pyrimidine nucleoside-pyrano[3,2-c]pyridone or pyrano[4,3-b]pyran hybrids were efficiently obtained. These hybrid compounds were evaluated as potential antiviral and antileishmanial agents and showed encouraging biological activities.

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