556025-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 556025-09-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,6,0,2 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 556025-09:
(8*5)+(7*5)+(6*6)+(5*0)+(4*2)+(3*5)+(2*0)+(1*9)=143
143 % 10 = 3
So 556025-09-3 is a valid CAS Registry Number.
556025-09-3Relevant articles and documents
Pyridoquinoxaline antivirals
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, (2008/06/13)
The present invention provides a compound of formula I or a pharmaceutically acceptable salt thereof wherein R1, R2 and R3 are as defined in the specification. The compounds are useful for the treatment of viral infections.
