874-20-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 874-20-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,7 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 874-20:
(5*8)+(4*7)+(3*4)+(2*2)+(1*0)=84
84 % 10 = 4
So 874-20-4 is a valid CAS Registry Number.
874-20-4Relevant academic research and scientific papers
PYRAZOLO [3,4-d] PYRIMIDINE DERIVATIVES AND THEIR USE IN THE TREATMENT OF H.PYLORI INFECTION
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Page 75, (2010/02/07)
This invention relates to novel compounds having the structural diagram (I) and to their pharmaceutical compositions and to their methods of use. These novel compounds provide a treatment or prophylaxis of H. pylori infection.