227199-40-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 227199-40-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,1,9 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 227199-40:
(8*2)+(7*2)+(6*7)+(5*1)+(4*9)+(3*9)+(2*4)+(1*0)=148
148 % 10 = 8
So 227199-40-8 is a valid CAS Registry Number.
227199-40-8Relevant academic research and scientific papers
Antiviral compounds
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, (2008/06/13)
The present invention relates to heterocyclic Compounds having antiviral activity. In particular, Compounds of formula (I): wherein B, W, X, Y, Q, R1, R2, R3, R4and n are as defined herein, are useful in the the
