65109-66-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65109-66-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,1,0 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 65109-66:
(7*6)+(6*5)+(5*1)+(4*0)+(3*9)+(2*6)+(1*6)=122
122 % 10 = 2
So 65109-66-2 is a valid CAS Registry Number.