89180-55-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89180-55-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,1,8 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 89180-55:
(7*8)+(6*9)+(5*1)+(4*8)+(3*0)+(2*5)+(1*5)=162
162 % 10 = 2
So 89180-55-2 is a valid CAS Registry Number.