677760-66-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 677760-66-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,7,7,6 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 677760-66:
(8*6)+(7*7)+(6*7)+(5*7)+(4*6)+(3*0)+(2*6)+(1*6)=216
216 % 10 = 6
So 677760-66-6 is a valid CAS Registry Number.