216685-51-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 216685-51-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,6,8 and 5 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 216685-51:
(8*2)+(7*1)+(6*6)+(5*6)+(4*8)+(3*5)+(2*5)+(1*1)=147
147 % 10 = 7
So 216685-51-7 is a valid CAS Registry Number.
216685-51-7Relevant articles and documents
COMPOUNDS
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, (2008/06/13)
The invention provides pharmaceutically useful thieno[2,3-d]pyrimidinediones, processes for their production, pharmaceutical compositions containing them and methods of treatment involving their use