172523-17-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172523-17-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,5,2 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 172523-17:
(8*1)+(7*7)+(6*2)+(5*5)+(4*2)+(3*3)+(2*1)+(1*7)=120
120 % 10 = 0
So 172523-17-0 is a valid CAS Registry Number.