330803-40-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 330803-40-2 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, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 330803-40:
(8*3)+(7*3)+(6*0)+(5*8)+(4*0)+(3*3)+(2*4)+(1*0)=102
102 % 10 = 2
So 330803-40-2 is a valid CAS Registry Number.