109803-04-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109803-04-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,8,0 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 109803-04:
(8*1)+(7*0)+(6*9)+(5*8)+(4*0)+(3*3)+(2*0)+(1*4)=115
115 % 10 = 5
So 109803-04-5 is a valid CAS Registry Number.
109803-04-5Relevant articles and documents
Anti-HIV pyrazole derivatives
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, (2008/06/13)
The present invention comprises novel and known pyrazole derivatives having anti-HIV activity, a process for their manufacture, pharmaceutical compositions and the use of such compounds in medicine. In particular, the compounds of formula I are inhibitors