717-43-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 717-43-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,1 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 717-43:
(5*7)+(4*1)+(3*7)+(2*4)+(1*3)=71
71 % 10 = 1
So 717-43-1 is a valid CAS Registry Number.