54115-25-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54115-25-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,1,1 and 5 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 54115-25:
(7*5)+(6*4)+(5*1)+(4*1)+(3*5)+(2*2)+(1*5)=92
92 % 10 = 2
So 54115-25-2 is a valid CAS Registry Number.