43-89-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 43-89-0 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 4 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 43-89:
(4*4)+(3*3)+(2*8)+(1*9)=50
50 % 10 = 0
So 43-89-0 is a valid CAS Registry Number.