10181-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 10181-89-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,1,8 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 10181-89:
(7*1)+(6*0)+(5*1)+(4*8)+(3*1)+(2*8)+(1*9)=72
72 % 10 = 2
So 10181-89-2 is a valid CAS Registry Number.