50331-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50331-70-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,3,3 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 50331-70:
(7*5)+(6*0)+(5*3)+(4*3)+(3*1)+(2*7)+(1*0)=79
79 % 10 = 9
So 50331-70-9 is a valid CAS Registry Number.
50331-70-9Relevant articles and documents
2-(2-Pyridylaminoalkylamino)-4-pyrimidones
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, (2008/06/13)
Pyridine derivatives are disclosed which are useful as histamine H1 -antagonists.