25021-65-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25021-65-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,0,2 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 25021-65:
(7*2)+(6*5)+(5*0)+(4*2)+(3*1)+(2*6)+(1*5)=72
72 % 10 = 2
So 25021-65-2 is a valid CAS Registry Number.