111981-49-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111981-49-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,9,8 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 111981-49:
(8*1)+(7*1)+(6*1)+(5*9)+(4*8)+(3*1)+(2*4)+(1*9)=118
118 % 10 = 8
So 111981-49-8 is a valid CAS Registry Number.