500576-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 500576-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,5,7 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 500576-90:
(8*5)+(7*0)+(6*0)+(5*5)+(4*7)+(3*6)+(2*9)+(1*0)=129
129 % 10 = 9
So 500576-90-9 is a valid CAS Registry Number.
500576-90-9Relevant articles and documents
FUSED-POLYCYCLIC COMPOUNDS
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Page 12-13, (2008/06/13)
The present invention provides a novel a condensed polycyclic compound useful as a phosphodiesterase 4 inhibitor, which is shown by the formula [I]: or a pharmaceutically acceptable salt thereof and a pharmaceutical composition containing the same.