87540-40-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87540-40-7 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, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 87540-40:
(7*8)+(6*7)+(5*5)+(4*4)+(3*0)+(2*4)+(1*0)=147
147 % 10 = 7
So 87540-40-7 is a valid CAS Registry Number.
InChI:InChI=1/C17H14N4O/c1-2-22-17-14-11-7-6-10-13(14)16-19-18-15(21(16)20-17)12-8-4-3-5-9-12/h3-11H,2H2,1H3
87540-40-7Relevant 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.