80319-17-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80319-17-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,3,1 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 80319-17:
(7*8)+(6*0)+(5*3)+(4*1)+(3*9)+(2*1)+(1*7)=111
111 % 10 = 1
So 80319-17-1 is a valid CAS Registry Number.