140220-05-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 140220-05-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,2,2 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 140220-05:
(8*1)+(7*4)+(6*0)+(5*2)+(4*2)+(3*0)+(2*0)+(1*5)=59
59 % 10 = 9
So 140220-05-9 is a valid CAS Registry Number.
140220-05-9Relevant articles and documents
Nicotinamide derivatives useful as PDE4 inhibitors
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Page 17, (2010/02/10)
This invention relates to nicotinamide derivatives of general formula (I): in which X, Y, n, Z, L and R have the meanings defined herein, and to processes for the preparation of, intermediates used in the preparation of, compositions containing and the uses of such derivatives.