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Cefalonium
Clinical data
AHFS/Drugs.com	International Drug Names
ATCvet code	QJ51DB90 (WHO) ;
Legal status
Legal status	Veterinary use only;
Identifiers
	IUPAC name (6R,7R)-3-[(4-carbamoylpyridin-1-ium-1-yl)methyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;
CAS Number	5575-21-3;
PubChem CID	21743;
ChemSpider	20438;
UNII	K2P920217W;
KEGG	D07634;
ChEMBL	ChEMBL2105567;
CompTox Dashboard (EPA)	DTXSID5045388 ;
ECHA InfoCard	100.024.499
Chemical and physical data
Formula	C20H18N4O5S2
Molar mass	458.51 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES O=C2N1/C(=C(\CS[C@@H]1[C@@H]2NC(=O)Cc3sccc3)C[n+]4ccc(C(=O)N)cc4)C([O-])=O;

Cefalonium (INN) is a first-generation cephalosporin antibiotic.^[1]

References

^ Boothe DN (2008). "Principles of Antibacterial Therapy". In Maddison JE, Page SW, Church DB (eds.). Small animal clinical pharmacology (Second ed.). [Edinburgh]: Elsevier Health Sciences. p. 167. ISBN 978-0-7020-2858-8.