109400-68-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109400-68-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,4,0 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 109400-68:
(8*1)+(7*0)+(6*9)+(5*4)+(4*0)+(3*0)+(2*6)+(1*8)=102
102 % 10 = 2
So 109400-68-2 is a valid CAS Registry Number.