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Oxacillin


Oxacillin
Systematic (IUPAC) name
(2R,5R,6S)-3,3-dimethyl-6-[(5-methyl-3-phenyl- 1,2-oxazole-4-carbonyl)amino]-7-oxo-4-thia-1- azabicyclo[3.2.0]heptane-2-carboxylic acid
Identifiers
CAS number	66-79-5
ATC code	J01CF01 J01CF04
PubChem	6196
Chemical data
Formula	C₁₉H₁₉N₃O₅S
Mol. mass	401.437 g/mol
Pharmacokinetic data
Bioavailability	?
Metabolism	?
Half life	?
Excretion	?
Therapeutic considerations
Pregnancy cat.	?
Legal status
Routes	?

Oxacillin sodium (trade name Bactocill) is a narrow spectrum beta-lactam antibiotic of the penicillin class. It has been used particularly in the treatment of Staphylococcus aureus infection, and resistant strains may be called oxacillin-resistant Staphylococcus aureus (ORSA). It is not in use in the UK (which only uses it for laboratory identification of MRSA and to detect penicillin resistance in Streptococcus pneumoniae).