198489-73-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 198489-73-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,4,8 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 198489-73:
(8*1)+(7*9)+(6*8)+(5*4)+(4*8)+(3*9)+(2*7)+(1*3)=215
215 % 10 = 5
So 198489-73-5 is a valid CAS Registry Number.