52528-89-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52528-89-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,5,2 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 52528-89:
(7*5)+(6*2)+(5*5)+(4*2)+(3*8)+(2*8)+(1*9)=129
129 % 10 = 9
So 52528-89-9 is a valid CAS Registry Number.