25105-66-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25105-66-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,1,0 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 25105-66:
(7*2)+(6*5)+(5*1)+(4*0)+(3*5)+(2*6)+(1*6)=82
82 % 10 = 2
So 25105-66-2 is a valid CAS Registry Number.