143304-03-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143304-03-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,3,0 and 4 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 143304-03:
(8*1)+(7*4)+(6*3)+(5*3)+(4*0)+(3*4)+(2*0)+(1*3)=84
84 % 10 = 4
So 143304-03-4 is a valid CAS Registry Number.