111181-26-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111181-26-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,1,8 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 111181-26:
(8*1)+(7*1)+(6*1)+(5*1)+(4*8)+(3*1)+(2*2)+(1*6)=71
71 % 10 = 1
So 111181-26-1 is a valid CAS Registry Number.