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HCID 2749Erstellt: 2. November 2026

Ciclopirox

6-Cyclohexyl-1-hydroxy-4-methylpyridin-2(1H)-one · Penlac · gopmx · geprox · Loprox · HOE296b · Mycoster · Brumixol

https://huagongshe.com/de/chemical/2749

Molekülstruktur von Ciclopirox

Identifikatoren & physikalische Daten

CAS No.29342-05-0
SummenformelC12H17NO2
Durchschnittliche Molmasse207,27 g/mol
Monoisotopische Masse207,12592879 g/mol
SMILESCc1cc(C2CCCCC2)n(O)c(=O)c1
InChIKeySCKYRAXSEDYPSA-UHFFFAOYSA-N
PubChem CID2749
ChEMBLCHEMBL1413
ChEBICHEBI:453011
EC No.249-577-2
DTXSIDDTXSID9048564
Lokaler NameCiclopirox

Chemische & physikalische Eigenschaften

XLogP2
Polarare Oberfläche (TPSA)40,5
H-Brücken-Donoren1
H-Brücken-Akzeptoren2
Frei drehbare Bindungen1
Schwere Atome15
Formalladung0
Komplexität325
ArzneimittelPharmaceuticals -> Listed in ZINC15
LogP (Verteilungskoeffizient)2.3
Löslichkeit1.41e+00 g/LSlightly soluble in water, freely soluble in anhydrous ethanol and in methylene chloride
Human DrugsBreast FeedingLactationMilk, HumanAnti-Infective AgentsAntifungal AgentsFDA approved drugs -> Active ingredient
Schmelzpunkt144 °C1440C
Physical DescriptionSolid
Siedepunkt350.0±25.0 °C(Predicted)
Dichte1.193±0.06 g/cm3(Predicted)
LagerbedingungenKeep in dark place,Sealed in dry,Room Temperature
pKa (Säurekonstante)6.25±0.58(Predicted)
AggregatzustandSolid
FarbeOff-White
InChIInChI=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
InChIKeySCKYRAXSEDYPSA-UHFFFAOYSA-N
SMILESC1(=O)N(O)C(C2CCCCC2)=CC(C)=C1
CAS Datenbank29342-05-0(CAS DataBase Reference)

Sicherheit & Vorschriften

GHS-EinstufungThis chemical does not meet GHS hazard criteria for 1.1% (1 of 89) of reports.WarningH302+H312+H332 (32.6%): Harmful if swallowed, in contact with skin or if inhaled [Warning Acute toxicity, oralacute toxicity, dermalacute toxicity, inhalation]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P321, P330, P337+P317, P362+P364, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 89 reports by companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesAcute Tox. 4 (93.3%)
ExpositionspfadeRapidly absorbed after oral administration. Mean absorption of ciclopirox after application to nails of all twenty digits and adjacent 5 millimeters of skin once daily for 6 months in patients with dermatophytic onychomycoses was less than 5% of the applied dose. Ciclopirox olamine also penetrates into hair and through the epidermis and hair follicles into sebaceous glands and dermis.
ToxizitätsübersichtUnlike antifungals such as itraconazole and terbinafine, which affect sterol synthesis, ciclopirox is thought to act through the chelation of polyvalent metal cations, such as Fe<sup>3+</sup> and Al<sup>3+</sup>. These cations inhibit many enzymes, including cytochromes, thus disrupting cellular activities such as mitochondrial electron transport processes and energy production. Ciclopirox also appears to modify the plasma membrane of fungi, resulting in the disorganization of internal structures. The anti-inflammatory action of ciclopirox is most likely due to inhibition of 5-lipoxygenase and cyclooxygenase. ciclopirox may exert its effect by disrupting DNA repair, cell division signals and structures (mitotic spindles) as well as some elements of intracellular transport.
Carcinogen ClassificationNo indication of carcinogenicity to humans (not listed by IARC).
Drug Induced Liver InjuryDrug-Induced Liver Injury Severity and Toxicity (DILIst)ciclopiroxDILI NegativeTopicalDOI:10.1016/j.drudis.2019.09.022

Anwendungen & Verwendung

Verwenden

Ciclopirox (Penlac) is a synthetic antifungal agent. Ciclopirox (Penlac) is used for topical dermatologic treatment of superficial mycoses. Ciclopirox (Penlac) is most useful against Tinea versicolor. [1] In a study conducted to further elucidate ciclopir

Effects During Pregnancy and Lactation
◉ Summary of Use during Lactation
Toxicity DataLD50: >10 ml/kg (Oral, Rat) (A308)
Wassergefährdungsklasse (WGK)WGK 3
UN-TransportnummerUN 3077 9 / PGIII
Zollcode2933790002
Lagerklasse11 - Combustible Solids
GefahrenklasseAcute Tox. 4 DermalAcute Tox. 4 InhalationAcute Tox. 4 OralEye Irrit. 2