13718-66-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13718-66-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,1 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 13718-66:
(7*1)+(6*3)+(5*7)+(4*1)+(3*8)+(2*6)+(1*6)=106
106 % 10 = 6
So 13718-66-6 is a valid CAS Registry Number.