320343-12-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 320343-12-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,0,3,4 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 320343-12:
(8*3)+(7*2)+(6*0)+(5*3)+(4*4)+(3*3)+(2*1)+(1*2)=82
82 % 10 = 2
So 320343-12-2 is a valid CAS Registry Number.