330459-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 330459-23-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,0,4,5 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 330459-23:
(8*3)+(7*3)+(6*0)+(5*4)+(4*5)+(3*9)+(2*2)+(1*3)=119
119 % 10 = 9
So 330459-23-9 is a valid CAS Registry Number.