89089-54-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89089-54-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,0,8 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 89089-54:
(7*8)+(6*9)+(5*0)+(4*8)+(3*9)+(2*5)+(1*4)=183
183 % 10 = 3
So 89089-54-3 is a valid CAS Registry Number.