17243-73-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17243-73-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,2,4 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 17243-73:
(7*1)+(6*7)+(5*2)+(4*4)+(3*3)+(2*7)+(1*3)=101
101 % 10 = 1
So 17243-73-1 is a valid CAS Registry Number.