25565-13-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25565-13-3 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 3 respectively.
Calculate Digit Verification of CAS Registry Number 25565-13:
(7*2)+(6*5)+(5*5)+(4*6)+(3*5)+(2*1)+(1*3)=113
113 % 10 = 3
So 25565-13-3 is a valid CAS Registry Number.