178308-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178308-63-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,3,0 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 178308-63:
(8*1)+(7*7)+(6*8)+(5*3)+(4*0)+(3*8)+(2*6)+(1*3)=159
159 % 10 = 9
So 178308-63-9 is a valid CAS Registry Number.
178308-63-9Relevant articles and documents
Fused pyridazine compounds
-
, (2008/06/13)
A fused pyridazine compound represented by the following general formula (I) or a pharmacologically acceptable salt thereof which exhibits an inhibitory activity against cyclic GMP phosphodiesterase (hereinafter referred to as "cGMP-PDE"). The compounds a