111838-72-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111838-72-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,8,3 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 111838-72:
(8*1)+(7*1)+(6*1)+(5*8)+(4*3)+(3*8)+(2*7)+(1*2)=113
113 % 10 = 3
So 111838-72-3 is a valid CAS Registry Number.