17517-79-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17517-79-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,5,1 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 17517-79:
(7*1)+(6*7)+(5*5)+(4*1)+(3*7)+(2*7)+(1*9)=122
122 % 10 = 2
So 17517-79-2 is a valid CAS Registry Number.