717910-17-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 717910-17-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,1,7,9,1 and 0 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 717910-17:
(8*7)+(7*1)+(6*7)+(5*9)+(4*1)+(3*0)+(2*1)+(1*7)=163
163 % 10 = 3
So 717910-17-3 is a valid CAS Registry Number.