320343-55-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 320343-55-3 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, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 320343-55:
(8*3)+(7*2)+(6*0)+(5*3)+(4*4)+(3*3)+(2*5)+(1*5)=93
93 % 10 = 3
So 320343-55-3 is a valid CAS Registry Number.