25198-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25198-71-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,1,9 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 25198-71:
(7*2)+(6*5)+(5*1)+(4*9)+(3*8)+(2*7)+(1*1)=124
124 % 10 = 4
So 25198-71-4 is a valid CAS Registry Number.