4303-28-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4303-28-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,0 and 3 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4303-28:
(6*4)+(5*3)+(4*0)+(3*3)+(2*2)+(1*8)=60
60 % 10 = 0
So 4303-28-0 is a valid CAS Registry Number.