100191-68-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100191-68-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,1,9 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 100191-68:
(8*1)+(7*0)+(6*0)+(5*1)+(4*9)+(3*1)+(2*6)+(1*8)=72
72 % 10 = 2
So 100191-68-2 is a valid CAS Registry Number.