Cefadroxil (hydrate) (CAS No 66592-87-8) is a first-generation cephalosporin antibiotic primarily used in biomedical research for its broad spectrum of activity against Gram-positive and some Gram-negative bacteria Originating from the cephalosporin class it functions by inhibiting bacterial cell wall synthesis targeting penicillin-binding proteins In vitro cefadroxil demonstrates antimicrobial activity in the nanomolar to low micromolar range It is commonly utilized in cell models to study bacterial infections as well as in animal studies to evaluate its pharmacokinetics efficacy and safety This compound is often employed in drug screening assays to assess interactions and resistance patterns Experimental concentrations typically depend on the specific research design allowing flexibility in application and research focus making it a valuable tool in the investigation of antibiotic treatments and bacterial pathogenesis