68252-56-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68252-56-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,2,5 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 68252-56:
(7*6)+(6*8)+(5*2)+(4*5)+(3*2)+(2*5)+(1*6)=142
142 % 10 = 2
So 68252-56-2 is a valid CAS Registry Number.
68252-56-2Relevant articles and documents
NEW PHARMACEUTICAL COMPOUNDS
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Page/Page column 26, (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.