78688-79-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78688-79-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,6,8 and 8 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 78688-79:
(7*7)+(6*8)+(5*6)+(4*8)+(3*8)+(2*7)+(1*9)=206
206 % 10 = 6
So 78688-79-6 is a valid CAS Registry Number.