196408-66-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 196408-66-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,6,4,0 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 196408-66:
(8*1)+(7*9)+(6*6)+(5*4)+(4*0)+(3*8)+(2*6)+(1*6)=169
169 % 10 = 9
So 196408-66-9 is a valid CAS Registry Number.