99220-21-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99220-21-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,2,2 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 99220-21:
(7*9)+(6*9)+(5*2)+(4*2)+(3*0)+(2*2)+(1*1)=140
140 % 10 = 0
So 99220-21-0 is a valid CAS Registry Number.
99220-21-0Relevant articles and documents
Substituted hetero spiro pyridine derivatives as anti-allergy and anti-inflammatory agents
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, (2008/06/13)
Substituted heterospiro pyridine derivatives are anti-allergic and anti-inflammatory agents. They are also useful for the treatment of peptic ulcers. Methods for their preparation and use are disclosed.