109162-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109162-68-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,1,6 and 2 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 109162-68:
(8*1)+(7*0)+(6*9)+(5*1)+(4*6)+(3*2)+(2*6)+(1*8)=117
117 % 10 = 7
So 109162-68-7 is a valid CAS Registry Number.