144173-28-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144173-28-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,1,7 and 3 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 144173-28:
(8*1)+(7*4)+(6*4)+(5*1)+(4*7)+(3*3)+(2*2)+(1*8)=114
114 % 10 = 4
So 144173-28-4 is a valid CAS Registry Number.