173559-73-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173559-73-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,5,5 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 173559-73:
(8*1)+(7*7)+(6*3)+(5*5)+(4*5)+(3*9)+(2*7)+(1*3)=164
164 % 10 = 4
So 173559-73-4 is a valid CAS Registry Number.