25589-22-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25589-22-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,5,8 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 25589-22:
(7*2)+(6*5)+(5*5)+(4*8)+(3*9)+(2*2)+(1*2)=134
134 % 10 = 4
So 25589-22-4 is a valid CAS Registry Number.