89465-28-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89465-28-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,4,6 and 5 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89465-28:
(7*8)+(6*9)+(5*4)+(4*6)+(3*5)+(2*2)+(1*8)=181
181 % 10 = 1
So 89465-28-1 is a valid CAS Registry Number.