98985-80-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98985-80-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,9,8 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98985-80:
(7*9)+(6*8)+(5*9)+(4*8)+(3*5)+(2*8)+(1*0)=219
219 % 10 = 9
So 98985-80-9 is a valid CAS Registry Number.