86489-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86489-90-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,4,8 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 86489-90:
(7*8)+(6*6)+(5*4)+(4*8)+(3*9)+(2*9)+(1*0)=189
189 % 10 = 9
So 86489-90-9 is a valid CAS Registry Number.