87540-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87540-57-6 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, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 87540-57:
(7*8)+(6*7)+(5*5)+(4*4)+(3*0)+(2*5)+(1*7)=156
156 % 10 = 6
So 87540-57-6 is a valid CAS Registry Number.
InChI:InChI=1/C18H16N4O3/c1-24-13-8-6-12(7-9-13)16-19-20-17-14-4-2-3-5-15(14)18(21-22(16)17)25-11-10-23/h2-9,23H,10-11H2,1H3
87540-57-6Relevant academic research and scientific papers
6-substituted-s-triazolo[3,4-a]phthalazine derivatives
-
, (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.