25928-45-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25928-45-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,9,2 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 25928-45:
(7*2)+(6*5)+(5*9)+(4*2)+(3*8)+(2*4)+(1*5)=134
134 % 10 = 4
So 25928-45-4 is a valid CAS Registry Number.