18174-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18174-89-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,1,7 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 18174-89:
(7*1)+(6*8)+(5*1)+(4*7)+(3*4)+(2*8)+(1*9)=125
125 % 10 = 5
So 18174-89-5 is a valid CAS Registry Number.