497161-00-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 497161-00-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,7,1,6 and 1 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 497161-00:
(8*4)+(7*9)+(6*7)+(5*1)+(4*6)+(3*1)+(2*0)+(1*0)=169
169 % 10 = 9
So 497161-00-9 is a valid CAS Registry Number.