178309-12-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178309-12-1 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 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 178309-12:
(8*1)+(7*7)+(6*8)+(5*3)+(4*0)+(3*9)+(2*1)+(1*2)=151
151 % 10 = 1
So 178309-12-1 is a valid CAS Registry Number.
178309-12-1Relevant articles and documents
Fused pyridazine compounds
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, (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