320342-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 320342-83-4 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, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 320342-83:
(8*3)+(7*2)+(6*0)+(5*3)+(4*4)+(3*2)+(2*8)+(1*3)=94
94 % 10 = 4
So 320342-83-4 is a valid CAS Registry Number.