1276040-21-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1276040-21-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,6,0,4 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1276040-21:
(9*1)+(8*2)+(7*7)+(6*6)+(5*0)+(4*4)+(3*0)+(2*2)+(1*1)=131
131 % 10 = 1
So 1276040-21-1 is a valid CAS Registry Number.
1276040-21-1Relevant articles and documents
QUINAZOLINONE DERIVATIVES AS VIRAL POLYMERASE INHIBITORS
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, (2011/04/19)
Compounds of formula I: (I) wherein X, R2, R3, R5 and R6 are defined herein, are useful as inhibitors of the hepatitis C virus NS5B polymerase.