86309-89-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86309-89-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,3,0 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 86309-89:
(7*8)+(6*6)+(5*3)+(4*0)+(3*9)+(2*8)+(1*9)=159
159 % 10 = 9
So 86309-89-9 is a valid CAS Registry Number.