87540-68-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87540-68-9 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, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 87540-68:
(7*8)+(6*7)+(5*5)+(4*4)+(3*0)+(2*6)+(1*8)=159
159 % 10 = 9
So 87540-68-9 is a valid CAS Registry Number.
InChI:InChI=1/C18H15N5/c1-2-12-19-18-21-20-17-15-11-7-6-10-14(15)16(22-23(17)18)13-8-4-3-5-9-13/h2-11H,1,12H2,(H,19,21)
87540-68-9Relevant 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.