Appearance
Whiteoralmostwhitepowder
WaterContent(KarlFisher)
4.2-6.0%
pH
4.0-6.0
OpticalRotation
+165°to+178°
Assay
(OnDriedBasis):950-1050µg/mg
CefadroxilisafirstgenerationcephalosporinantibioticsimilarinstructureandspectrumascefalexinandcephrADIne. Cefadroxilexhibitsbactericidalactivityagainstawidespectrumofbacteria.
50370-12-2
C16H17N3O5S
363.39
CephalosporinsinterferewithPBP(penicillinbindingprotein)activityinvolvedinthefinalphaseofpeptidoglycansynthesis.PBP’sareenzymeswhichcatalyzeapentaglycinecrosslinkbetweenalanineandlysineresiduesprovidingadditionalstrengthtothecellwall.Withoutapentaglycinecrosslink,theintegrityofthecellwallisseverelycompromisedandultimatelyleadstocelllysisanddeath.Resistancetocephalosporinsiscommonlyduetocellscontainingplasmidencodedβ-lactamases.
-20°C
2941.90.3000
CefadroxilisabroadspectrumantibioticandhasshowntobeeffectiveintreatingskinandUTIinfectionscausedbyStaphylococcusandStreptococcusspecies.
Whiteoralmostwhitepowder
4.2-6.0%
4.0-6.0
+165°to+178°
(OnDriedBasis):950-1050µg/mg