54573-56-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54573-56-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,5,7 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 54573-56:
(7*5)+(6*4)+(5*5)+(4*7)+(3*3)+(2*5)+(1*6)=137
137 % 10 = 7
So 54573-56-7 is a valid CAS Registry Number.