717-62-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 717-62-4 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, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 717-62:
(5*7)+(4*1)+(3*7)+(2*6)+(1*2)=74
74 % 10 = 4
So 717-62-4 is a valid CAS Registry Number.