330-02-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 330-02-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,3 and 0 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 330-02:
(5*3)+(4*3)+(3*0)+(2*0)+(1*2)=29
29 % 10 = 9
So 330-02-9 is a valid CAS Registry Number.