330803-80-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 330803-80-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,0,8,0 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 330803-80:
(8*3)+(7*3)+(6*0)+(5*8)+(4*0)+(3*3)+(2*8)+(1*0)=110
110 % 10 = 0
So 330803-80-0 is a valid CAS Registry Number.