89228-84-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89228-84-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,2,2 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 89228-84:
(7*8)+(6*9)+(5*2)+(4*2)+(3*8)+(2*8)+(1*4)=172
172 % 10 = 2
So 89228-84-2 is a valid CAS Registry Number.