67808-79-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67808-79-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,8,0 and 8 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 67808-79:
(7*6)+(6*7)+(5*8)+(4*0)+(3*8)+(2*7)+(1*9)=171
171 % 10 = 1
So 67808-79-1 is a valid CAS Registry Number.