640280-27-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 640280-27-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,0,2,8 and 0 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 640280-27:
(8*6)+(7*4)+(6*0)+(5*2)+(4*8)+(3*0)+(2*2)+(1*7)=129
129 % 10 = 9
So 640280-27-9 is a valid CAS Registry Number.
640280-27-9Relevant articles and documents
INHIBITORS OF HCV UPJOHN COMPANY
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Page 41, (2010/11/30)
The present invention provides compounds of Formula I, compositions and methods that are useful for treating viral infections and associated diseases, particularly HCV infections and associated diseases.