117018-98-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117018-98-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,0,1 and 8 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 117018-98:
(8*1)+(7*1)+(6*7)+(5*0)+(4*1)+(3*8)+(2*9)+(1*8)=111
111 % 10 = 1
So 117018-98-1 is a valid CAS Registry Number.