Title: Amorolfine
CAS Registry Number: 78613-35-1
CAS Name: cis-4-[3-[4-(1,1-Dimethylpropyl)phenyl]-2-methylpropyl]-2,6-dimethylmorpholine
Additional Names: cis-4-[3-(4-tert-amylphenyl)-2-methylpropyl]-2,6-dimethylmorpholine; (±)-cis-2,6-dimethyl-4-[2-methyl-3-(p-tert-pentylphenyl)propyl]morpholine
Manufacturers' Codes: Ro-14-4767/000
Molecular Formula: C21H35NO
Molecular Weight: 317.51
Percent Composition: C 79.44%, H 11.11%, N 4.41%, O 5.04%
Literature References: Antimycotic morpholine derivative; inhibits fungal ergosterol biosynthesis. Prepn (unspec stereochem): A. Pfiffner, K. Bohnen, DE 2752096; A. Pfiffner, US 4202894 (1978, 1980 both to Hoffmann-La Roche); of cis-form: NL 8004537 (1980 to Hoffmann-La Roche). In vitro comparative antifungal spectrum: S. Shadomy et al., Sabouraudia 22, 7 (1984). Mechanism of action: A. Polak-Wyss et al., ibid. 23, 433 (1985); A. Polak, Ann. N.Y. Acad. Sci. 544, 221 (1988). LC determn in pharmaceutical formulations: M. A. Czech et al., J. Pharm. Biomed. Anal. 9, 1019 (1991). Series of articles on mode of action and clinical trials: Clin. Exp. Dermatol. 17, Suppl. 1, 1-70 (1992). Review of pharmacology and clinical efficacy: M. Haria, H. M. Bryson, Drugs 49, 103-120 (1995).
Properties: bp0.1 120°.
Boiling point: bp0.1 120°
Derivative Type: Hydrochloride
CAS Registry Number: 78613-38-4
Manufacturers' Codes: Ro-14-4767/002
Trademarks: Loceryl (Roche)
Molecular Formula: C21H35NO.HCl
Molecular Weight: 353.97
Percent Composition: C 71.26%, H 10.25%, N 3.96%, O 4.52%, Cl 10.02%
Therap-Cat: Antifungal (topical).
Keywords: Antifungal (Synthetic).
Amoscanate Amosulalol Amotriphene Amoxapine Amoxicillin

Systematic (IUPAC) name
Clinical data
AHFS/ International Drug Names
Legal status  ?
CAS number 78613-35-1 YesY
ATC code D01AE16
PubChem CID 54260
ChemSpider 49010 YesY
KEGG D02923 YesY
ChEBI CHEBI:599440 YesY
Chemical data
Formula C21H35NO 
Mol. mass 317.509 g/mol
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Amorolfine (or amorolfin), is a morpholine antifungal drug that inhibits D14 reductase and D7-D8 isomerase, which depletes ergosterol and causes ignosterol to accumulate in the fungal cytoplasmic cell membranes. Marketed as Curanail, Loceryl, Locetar, and Odenil, amorolfine is commonly available in the form of a nail lacquer, containing 5% amorolfine as the active ingredient. It is used to treat onychomycosis (fungal infection of the toe- and fingernails). Amorolfine 5% nail lacquer in once-weekly or twice-weekly applications has been shown in two studies to be between 60% and 71% effective in treating toenail onychomycosis; complete cure rates three months after stopping treatment (after six months of treatment) were 38% and 46%. However, full experimental details of these trials were not available and since they were first reported in 1992 there have been no subsequent trials.[1]

It is a topical solution for the treatment of toenail infections. Systemic treatments may be considered more effective.[1]

It is approved for sale over the counter in Australia and the UK (recently re-classified to over the counter status), and is approved for the treatment of toenail fungus by prescription in other countries. It is not approved for the treatment of onychomycosis in the United States or Canada, but can be ordered from there by mail from other countries.[2]