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744251-64-7

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744251-64-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 744251-64-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,4,2,5 and 1 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 744251-64:
(8*7)+(7*4)+(6*4)+(5*2)+(4*5)+(3*1)+(2*6)+(1*4)=157
157 % 10 = 7
So 744251-64-7 is a valid CAS Registry Number.

744251-64-7Downstream Products

744251-64-7Relevant articles and documents

Macrocyclic hepatitis C serine protease inhibitors

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Page/Page column 167, (2008/06/13)

The present invention relates to compounds of Formula I, II or Ill, or a pharmaceutically acceptable salt, ester, or prodrug, thereof: wherein W is a substituted or unsubstituted heterocyclic ring system. The compounds inhibit serine protease activity, particularly the activity of hepatitis c virus (HCV) NS3-NS4A protease. Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis c virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.

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