4589-46-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4589-46-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,8 and 9 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4589-46:
(6*4)+(5*5)+(4*8)+(3*9)+(2*4)+(1*6)=122
122 % 10 = 2
So 4589-46-2 is a valid CAS Registry Number.