58161-80-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58161-80-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,1,6 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 58161-80:
(7*5)+(6*8)+(5*1)+(4*6)+(3*1)+(2*8)+(1*0)=131
131 % 10 = 1
So 58161-80-1 is a valid CAS Registry Number.