5054-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5054-73-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,5 and 4 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 5054-73:
(6*5)+(5*0)+(4*5)+(3*4)+(2*7)+(1*3)=79
79 % 10 = 9
So 5054-73-9 is a valid CAS Registry Number.