1256489-02-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1256489-02-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,4,8 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1256489-02:
(9*1)+(8*2)+(7*5)+(6*6)+(5*4)+(4*8)+(3*9)+(2*0)+(1*2)=177
177 % 10 = 7
So 1256489-02-7 is a valid CAS Registry Number.
1256489-02-7Relevant articles and documents
HETEROCYCLIC ANTIVIRAL COMPOUNDS
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, (2010/12/29)
Compounds having the formula I wherein wherein R1, R2, R3b, R4a, R4b, R4c and as defined herein are Hepatitis C virus NS5b polymerase inhibitors. Also disclosed are compositions and methods