73162-17-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73162-17-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,1,6 and 2 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 73162-17:
(7*7)+(6*3)+(5*1)+(4*6)+(3*2)+(2*1)+(1*7)=111
111 % 10 = 1
So 73162-17-1 is a valid CAS Registry Number.