43189-58-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 43189-58-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,3,1,8 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 43189-58:
(7*4)+(6*3)+(5*1)+(4*8)+(3*9)+(2*5)+(1*8)=128
128 % 10 = 8
So 43189-58-8 is a valid CAS Registry Number.