89733-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89733-53-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,7,3 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 89733-53:
(7*8)+(6*9)+(5*7)+(4*3)+(3*3)+(2*5)+(1*3)=179
179 % 10 = 9
So 89733-53-9 is a valid CAS Registry Number.
89733-53-9Relevant academic research and scientific papers
2-Pyridinones and their use as cardiotonic agents
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, (2008/06/13)
3,4-Dihydro-3-R1 -4-R2 -5-Q-6-R-2(1H)-pyridinones (I), where R1 and R2 are each hydrogen or methyl, R is lower-alkyl, and Q is 4(or 3)-hydroxyphenyl, 4(or 3)-methoxyphenyl, 4(or 3)-pyridinyl or 4(or 3)-pyridinyl