320424-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 320424-43-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,0,4,2 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 320424-43:
(8*3)+(7*2)+(6*0)+(5*4)+(4*2)+(3*4)+(2*4)+(1*3)=89
89 % 10 = 9
So 320424-43-9 is a valid CAS Registry Number.