2525-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2525-89-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,2 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2525-89:
(6*2)+(5*5)+(4*2)+(3*5)+(2*8)+(1*9)=85
85 % 10 = 5
So 2525-89-5 is a valid CAS Registry Number.