820245-53-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 820245-53-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,2,0,2,4 and 5 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 820245-53:
(8*8)+(7*2)+(6*0)+(5*2)+(4*4)+(3*5)+(2*5)+(1*3)=132
132 % 10 = 2
So 820245-53-2 is a valid CAS Registry Number.
820245-53-2Relevant academic research and scientific papers
Nicotinamide derivatives useful as PDE4 inhibitors
-
Page 16, (2010/02/10)
This invention relates to nicotinamide derivatives of general formula (I): in which R1, R2 and R3 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.
