320340-92-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 320340-92-9 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 0 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 320340-92:
(8*3)+(7*2)+(6*0)+(5*3)+(4*4)+(3*0)+(2*9)+(1*2)=89
89 % 10 = 9
So 320340-92-9 is a valid CAS Registry Number.