87540-76-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87540-76-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,5,4 and 0 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 87540-76:
(7*8)+(6*7)+(5*5)+(4*4)+(3*0)+(2*7)+(1*6)=159
159 % 10 = 9
So 87540-76-9 is a valid CAS Registry Number.
87540-76-9Relevant academic research and scientific papers
6-substituted-s-triazolo[3,4-a]phthalazine derivatives
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, (2008/06/13)
The present invention refers to new s-triazolo[3,4-a]phthalazine derivatives, to the process for their preparation and to the pharmaceutical compositions containing them.