54724-69-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54724-69-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,7,2 and 4 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 54724-69:
(7*5)+(6*4)+(5*7)+(4*2)+(3*4)+(2*6)+(1*9)=135
135 % 10 = 5
So 54724-69-5 is a valid CAS Registry Number.