1309889-22-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1309889-22-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,8,8 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1309889-22:
(9*1)+(8*3)+(7*0)+(6*9)+(5*8)+(4*8)+(3*9)+(2*2)+(1*2)=192
192 % 10 = 2
So 1309889-22-2 is a valid CAS Registry Number.
1309889-22-2Relevant articles and documents
HEPATITIS C INHIBITOR COMPOUNDS
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, (2011/06/23)
Compounds of Formula (I) wherein R1, R2, R3, R4 and R5 are defined herein, maintain good activity against NS3 proteases containing clinically relevant genotype 1a R155K and genotype 1b D168V resistance mutations. The compounds are useful as inhibitors of HCV NS3 protease for the treatment of hepatitis C viral infection.
