Ciclopirox

Ciclopirox
	Above: molecular structure of ciclopirox Below: 3D representation of a ciclopirox molecule
Clinical data
Trade names	Penlac Nail Lacquer, others
Other names	Loprox, CPX
AHFS/Drugs.com	Monograph
MedlinePlus	a604021
License data	US DailyMed: Ciclopirox;
Routes of; administration	Topical
ATC code	D01AE14 (WHO) G01AX12 (WHO);
Legal status
Legal status	AU: S2 (Pharmacy medicine); CA: ℞-only; US: ℞-only;
Pharmacokinetic data
Bioavailability	<5% with prolonged use
Protein binding	94 to 97%
Elimination half-life	1.7 hours
Identifiers
	IUPAC name 6-cyclohexyl-1-hydroxy-4-methylpyridin-2(1H)-one;
CAS Number	29342-05-0 ;
PubChem CID	2749;
DrugBank	DB01188 ;
ChemSpider	2647 ;
UNII	19W019ZDRJ;
KEGG	D03488 ;
ChEBI	CHEBI:453011 ;
ChEMBL	ChEMBL1413 ;
CompTox Dashboard (EPA)	DTXSID9048564 ;
ECHA InfoCard	100.045.056
Chemical and physical data
Formula	C12H17NO2
Molar mass	207.273 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES O=C1/C=C(\C=C(/N1O)C2CCCCC2)C;
	InChI InChI=1S/C12H17NO2/c1-9-7-11(13(15)12(14)8-9)10-5-3-2-4-6-10/h7-8,10,15H,2-6H2,1H3 ; Key:SCKYRAXSEDYPSA-UHFFFAOYSA-N ;
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Ciclopirox is a medication used for the treatment of moderate onychomycosis of fingernails and toenails, and for the treatment of seborrheic dermatitis.

In 2022, it was the 247th most commonly prescribed medication in the United States, with more than 1 million prescriptions.