25116-54-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25116-54-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,1,1 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 25116-54:
(7*2)+(6*5)+(5*1)+(4*1)+(3*6)+(2*5)+(1*4)=85
85 % 10 = 5
So 25116-54-5 is a valid CAS Registry Number.