172325-74-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172325-74-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,3,2 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 172325-74:
(8*1)+(7*7)+(6*2)+(5*3)+(4*2)+(3*5)+(2*7)+(1*4)=125
125 % 10 = 5
So 172325-74-5 is a valid CAS Registry Number.