174716-13-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 174716-13-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,7,1 and 6 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 174716-13:
(8*1)+(7*7)+(6*4)+(5*7)+(4*1)+(3*6)+(2*1)+(1*3)=143
143 % 10 = 3
So 174716-13-3 is a valid CAS Registry Number.