111831-41-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111831-41-5 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 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 111831-41:
(8*1)+(7*1)+(6*1)+(5*8)+(4*3)+(3*1)+(2*4)+(1*1)=85
85 % 10 = 5
So 111831-41-5 is a valid CAS Registry Number.