55149-80-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55149-80-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,1,4 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 55149-80:
(7*5)+(6*5)+(5*1)+(4*4)+(3*9)+(2*8)+(1*0)=129
129 % 10 = 9
So 55149-80-9 is a valid CAS Registry Number.
55149-80-9Relevant academic research and scientific papers
NEW PHARMACEUTICAL COMPOUNDS
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Page/Page column 29, (2008/06/13)
Compounds of formula (I), wherein R1-R4, X, Y and Z are as defined in claims, exhibit COMT enzyme inhibiting activity and are thus useful as COMT inhibitors.