25565-11-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25565-11-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,5,6 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 25565-11:
(7*2)+(6*5)+(5*5)+(4*6)+(3*5)+(2*1)+(1*1)=111
111 % 10 = 1
So 25565-11-1 is a valid CAS Registry Number.