221122-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 221122-04-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,1,2 and 2 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 221122-04:
(8*2)+(7*2)+(6*1)+(5*1)+(4*2)+(3*2)+(2*0)+(1*4)=59
59 % 10 = 9
So 221122-04-9 is a valid CAS Registry Number.
221122-04-9Relevant articles and documents
Substituted 6-benzyl-4-oxopyrimidines, process for their preparation and pharmaceutical compositions containing them
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Page/Page column 19, (2008/06/13)
The invention concerns novel substituted 6-benzyl-4-oxopyrimidines and pharmaceutically acceptable salts thereof. These compounds inhibit reverse transcriptase encoded by human immunodeficiency virus (HIV), and are useful to prevent and treat HIV infectio