111005-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111005-77-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,0,0 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 111005-77:
(8*1)+(7*1)+(6*1)+(5*0)+(4*0)+(3*5)+(2*7)+(1*7)=57
57 % 10 = 7
So 111005-77-7 is a valid CAS Registry Number.