68197-11-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68197-11-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,1,9 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 68197-11:
(7*6)+(6*8)+(5*1)+(4*9)+(3*7)+(2*1)+(1*1)=155
155 % 10 = 5
So 68197-11-5 is a valid CAS Registry Number.