15589-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15589-16-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,5,8 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 15589-16:
(7*1)+(6*5)+(5*5)+(4*8)+(3*9)+(2*1)+(1*6)=129
129 % 10 = 9
So 15589-16-9 is a valid CAS Registry Number.