320342-34-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 320342-34-5 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 2 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 320342-34:
(8*3)+(7*2)+(6*0)+(5*3)+(4*4)+(3*2)+(2*3)+(1*4)=85
85 % 10 = 5
So 320342-34-5 is a valid CAS Registry Number.