118311-71-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118311-71-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,3,1 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 118311-71:
(8*1)+(7*1)+(6*8)+(5*3)+(4*1)+(3*1)+(2*7)+(1*1)=100
100 % 10 = 0
So 118311-71-0 is a valid CAS Registry Number.