109018-78-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109018-78-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,0,1 and 8 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 109018-78:
(8*1)+(7*0)+(6*9)+(5*0)+(4*1)+(3*8)+(2*7)+(1*8)=112
112 % 10 = 2
So 109018-78-2 is a valid CAS Registry Number.