17255-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17255-81-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,2,5 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 17255-81:
(7*1)+(6*7)+(5*2)+(4*5)+(3*5)+(2*8)+(1*1)=111
111 % 10 = 1
So 17255-81-1 is a valid CAS Registry Number.