196811-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 196811-68-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,6,8,1 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 196811-68:
(8*1)+(7*9)+(6*6)+(5*8)+(4*1)+(3*1)+(2*6)+(1*8)=174
174 % 10 = 4
So 196811-68-4 is a valid CAS Registry Number.