Neomycin Sulphate 
Complexity: 872 
Nominal Mass: 908 (Da) 
Molecular Weight: 712.7222 
CAS Accession Number: 1405-10-3 Number of 
Heavy Atom number: 42 
Average Mass: 908.8792 (Da) 
Chemical Formula: C₂₃H₄₈N₆O₁₇S