159686-93-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 159686-93-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,6,8 and 6 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 159686-93:
(8*1)+(7*5)+(6*9)+(5*6)+(4*8)+(3*6)+(2*9)+(1*3)=198
198 % 10 = 8
So 159686-93-8 is a valid CAS Registry Number.
159686-93-8Relevant academic research and scientific papers
NITROGEN-CONTAINING FUSED-HETEROCYCLE COMPOUNDS
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, (2008/06/13)
The present invention relates to a nitrogen-containing heterocyclic compound exhibiting an inhibitory activity against cGMP-PDE. The compound represented by the formula (I) or a pharmacologically acceptable salt thereof: wherein R1 represents a group repr