25818-72-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25818-72-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,8,1 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 25818-72:
(7*2)+(6*5)+(5*8)+(4*1)+(3*8)+(2*7)+(1*2)=128
128 % 10 = 8
So 25818-72-8 is a valid CAS Registry Number.