173313-25-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173313-25-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,3,1 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 173313-25:
(8*1)+(7*7)+(6*3)+(5*3)+(4*1)+(3*3)+(2*2)+(1*5)=112
112 % 10 = 2
So 173313-25-2 is a valid CAS Registry Number.