197161-24-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197161-24-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,1,6 and 1 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 197161-24:
(8*1)+(7*9)+(6*7)+(5*1)+(4*6)+(3*1)+(2*2)+(1*4)=153
153 % 10 = 3
So 197161-24-3 is a valid CAS Registry Number.