89523-66-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89523-66-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,5,2 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 89523-66:
(7*8)+(6*9)+(5*5)+(4*2)+(3*3)+(2*6)+(1*6)=170
170 % 10 = 0
So 89523-66-0 is a valid CAS Registry Number.