105118-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105118-20-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,1,1 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 105118-20:
(8*1)+(7*0)+(6*5)+(5*1)+(4*1)+(3*8)+(2*2)+(1*0)=75
75 % 10 = 5
So 105118-20-5 is a valid CAS Registry Number.