17521-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17521-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,5,2 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 17521-20:
(7*1)+(6*7)+(5*5)+(4*2)+(3*1)+(2*2)+(1*0)=89
89 % 10 = 9
So 17521-20-9 is a valid CAS Registry Number.
17521-20-9Relevant articles and documents
NS5B HCV polymerase inhibitors
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, (2008/06/13)
Compounds, compositions and methods are provided that are useful in the treatment and prevention of certain viral infections and associated diseases. In particular, the compounds of the invention inhibit the activity of a viral RNA polymerase. The subject