54920-43-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54920-43-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,9,2 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 54920-43:
(7*5)+(6*4)+(5*9)+(4*2)+(3*0)+(2*4)+(1*3)=123
123 % 10 = 3
So 54920-43-3 is a valid CAS Registry Number.