111810-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111810-17-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,8,1 and 0 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 111810-17:
(8*1)+(7*1)+(6*1)+(5*8)+(4*1)+(3*0)+(2*1)+(1*7)=74
74 % 10 = 4
So 111810-17-4 is a valid CAS Registry Number.