17913-16-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17913-16-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,1 and 3 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 17913-16:
(7*1)+(6*7)+(5*9)+(4*1)+(3*3)+(2*1)+(1*6)=115
115 % 10 = 5
So 17913-16-5 is a valid CAS Registry Number.