79683-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79683-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,6,8 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 79683-68:
(7*7)+(6*9)+(5*6)+(4*8)+(3*3)+(2*6)+(1*8)=194
194 % 10 = 4
So 79683-68-4 is a valid CAS Registry Number.