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Identification
Name Permethrin
Accession Number DB04930
Type small molecule
Groups approved
Description

A pyrethroid insecticide commonly used in the treatment of lice infestations and scabies. It is a yellow to light orange-brown, low melt-ing solid or viscous liquid.

Structure Thumb
Download: MOL | SDF | SMILES | InChI
Display: 2D Structure | 3D Structure
Synonyms Not Available
Salts Not Available
Brand names
Name Company
Acticin Cream
Elimite
Elimite Cream
Nix Cream Rinse
PerFoam
Brand mixtures Not Available
Categories
  • Enzyme Inhibitors
  • Insecticides
CAS number 52645-53-1
Weight Average: 391.288
Monoisotopic: 390.07894992
Chemical Formula C21H20Cl2O3
InChI Key InChIKey=RLLPVAHGXHCWKJ-UHFFFAOYSA-N
InChI
InChI=1S/C21H20Cl2O3/c1-21(2)17(12-18(22)23)19(21)20(24)25-13-14-7-6-10-16(11-14)26-15-8-4-3-5-9-15/h3-12,17,19H,13H2,1-2H3
Plain Text
IUPAC Name
(3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate
SMILES
CC1(C)C(C=C(Cl)Cl)C1C(=O)OCC1=CC(OC2=CC=CC=C2)=CC=C1
Plain Text
Mass Spec Not Available
Taxonomy
Kingdom Organic
Classes
  • Benzene and Derivatives
  • Benzyl Esters
  • Benzylacetates
Substructures
  • Carboxylic Acids and Derivatives
  • Benzyl Alcohols and Derivatives
  • Acetates
  • Phenols and Derivatives
  • Cyclopropane and Derivatives
  • Ethers
  • Halogen Derivatives
  • Benzene and Derivatives
  • Benzyl Esters
  • Benzylacetates
  • Aromatic compounds
  • Anisoles
  • Ketenes and Derivatives
  • Phenyl Esters
Pharmacology
Indication For the treatment of infestation with Sarcoptes scabiei (scabies).
Pharmacodynamics Permethrin, a pyrethroid, is active against a broad range of pests including lice, ticks, fleas, mites, and other arthropods.
Mechanism of action Permethrin acts on the nerve cell membrane to disrupt the sodium channel current by which the polarization of the membrane is regulated. Delayed repolarization and paralysis of the pests are the consequences of this disturbance.
Absorption Poorly absorbed through the skin.
Volume of distribution Not Available
Protein binding Not Available
Metabolism Rapidly metabolized by ester hydrolysis to inactive metabolites which are excreted primarily in the urine.
Route of elimination Permethrin is rapidly metabolized by ester hydrolysis to inactive metabolites which are excreted primarily in the urine.
Half life Not Available
Clearance Not Available
Toxicity Oral, rat LD50: 430 - 4000 mg/kg; skin, rabbit LD50: 2000 mg/kg.
Affected organisms
  • Scabies (Sarcoptes scabei) and other insects
Pathways Not Available
Pharmacoeconomics
Manufacturers
  • Allergan inc
  • Actavis mid atlantic llc
  • Perrigo new york inc
  • Glaxosmithkline
  • Insight pharmaceuticals corp
Packagers
Dosage forms
Form Route Strength
Cream Topical
Liquid Topical
Lotion Topical
Prices
Unit description Cost Unit
Elimite 5% Cream 60 gm Tube 83.61 USD tube
Permethrin 5% Cream 60 gm Tube 30.42 USD tube
Acticin 5% Cream 60 gm Tube 30.31 USD tube
Permethrin 1% Lotion 59ml Bottle 16.99 USD bottle
Elimite 5% cream 1.33 USD g
Permethrin technical liquid 1.32 USD g
Acticin 5% cream 0.49 USD g
Permethrin 5% cream 0.49 USD g
Sm lice treatment permethrin 0.18 USD ml
Nix 1% creme rinse liquid 0.15 USD ml
Sm lice bedding spray 0.04 USD g
CVS Pharmacy lice bedding spray 0.03 USD g
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Patents Not Available
Properties
State solid
Experimental Properties
Property Value Source
melting point 34 °C PhysProp
boiling point 220 °C at 5.00E-02 mm Hg PhysProp
water solubility 0.006 mg/L (at 20 °C) USDA PESTICIDE PROP DATABASE
logP 6.50 HANSCH,C ET AL. (1995)
Predicted Properties
Property Value Source
water solubility 6.91e-05 g/l ALOGPS
logP 6.24 ALOGPS
logP 5.7 ChemAxon
logS -6.8 ALOGPS
pKa (strongest basic) -7.1 ChemAxon
physiological charge 0 ChemAxon
hydrogen acceptor count 1 ChemAxon
hydrogen donor count 0 ChemAxon
polar surface area 35.53 ChemAxon
rotatable bond count 7 ChemAxon
refractivity 114.28 ChemAxon
polarizability 39.43 ChemAxon
References
Synthesis Reference Not Available
General Reference
  1. Abedin S, Narang M, Gandhi V, Narang S: Efficacy of permethrin cream and oral ivermectin in treatment of scabies. Indian J Pediatr. 2007 Oct;74(10):915-6. Pubmed
External Links
Resource Link
KEGG Drug D05443 Link_out
KEGG Compound C14388 Link_out
PubChem Compound 40326 Link_out
PubChem Substance 46505374 Link_out
ChemSpider 36845 Link_out
ChEBI 34911 Link_out
ChEMBL 34911 Link_out
Therapeutic Targets Database DAP001235 Link_out
PharmGKB PA164743137 Link_out
Drug Product Database 771368 Link_out
RxList http://www.rxlist.com/cgi/generic/elimite.htm Link_out
Drugs.com http://www.drugs.com/cdi/permethrin-cream.html Link_out
Wikipedia http://en.wikipedia.org/wiki/Permethrin Link_out
ATC Codes
  • P03AC04
AHFS Codes Not Available
PDB Entries Not Available
FDA label show (171 KB)
MSDS show (60.4 KB)
Interactions
Drug Interactions Searched, but no interactions found.
Food Interactions Not Available
Targets

1. Sodium channel protein type 1 subunit alpha

Pharmacological action: yes
Actions: inhibitor

Mediates the voltage-dependent sodium ion permeability of excitable membranes. Assuming opened or closed conformations in response to the voltage difference across the membrane, the protein forms a sodium-selective channel through which Na(+) ions may pass in accordance with their electrochemical gradient

Organism class: human
UniProt ID: P35498 Link_out
Gene: SCN1A Link_out
Protein Sequence: FASTA
Gene Sequence: FASTA
SNPs: SNPJam Report Link_out

References:
  1. Cao Z, Shafer TJ, Murray TF: Mechanisms of pyrethroid insecticide-induced stimulation of calcium influx in neocortical neurons. J Pharmacol Exp Ther. 2011 Jan;336(1):197-205. Epub 2010 Sep 29. Pubmed
  2. Liu N, Xu Q, Li T, He L, Zhang L: Permethrin resistance and target site insensitivity in the mosquito Culex quinquefasciatus in Alabama. J Med Entomol. 2009 Nov;46(6):1424-9. Pubmed
  3. Breckenridge CB, Holden L, Sturgess N, Weiner M, Sheets L, Sargent D, Soderlund DM, Choi JS, Symington S, Clark JM, Burr S, Ray D: Evidence for a separate mechanism of toxicity for the Type I and the Type II pyrethroid insecticides. Neurotoxicology. 2009 Nov;30 Suppl 1:S17-31. Epub 2009 Sep 18. Pubmed
  4. Chang C, Shen WK, Wang TT, Lin YH, Hsu EL, Dai SM: A novel amino acid substitution in a voltage-gated sodium channel is associated with knockdown resistance to permethrin in Aedes aegypti. Insect Biochem Mol Biol. 2009 Apr;39(4):272-8. Epub 2009 Jan 10. Pubmed
  5. McMahon C, Krober T, Guerin PM: In vitro assays for repellents and deterrents for ticks: differing effects of products when tested with attractant or arrestment stimuli. Med Vet Entomol. 2003 Dec;17(4):370-8. Pubmed

Enzymes

1. Cytochrome P450 2B6

Actions: substrate, inducer

Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It oxidizes a variety of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics

UniProt ID: P20813 Link_out
Gene: CYP2B6 Link_out
Protein Sequence: FASTA
Gene Sequence: FASTA
SNPs: SNPJam Report Link_out

References:
  1. Preissner S, Kroll K, Dunkel M, Senger C, Goldsobel G, Kuzman D, Guenther S, Winnenburg R, Schroeder M, Preissner R: SuperCYP: a comprehensive database on Cytochrome P450 enzymes including a tool for analysis of CYP-drug interactions. Nucleic Acids Res. 2010 Jan;38(Database issue):D237-43. Epub 2009 Nov 24. Pubmed

2. Cytochrome P450 3A4

Actions: substrate

Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It performs a variety of oxidation reactions (e.g. caffeine 8-oxidation, omeprazole sulphoxidation, midazolam 1'-hydroxylation and midazolam 4- hydroxylation) of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics. The enzyme also hydroxylates etoposide

UniProt ID: P08684 Link_out
Gene: CYP3A4
Protein Sequence: FASTA
Gene Sequence: FASTA
SNPs: SNPJam Report Link_out

References:
  1. Preissner S, Kroll K, Dunkel M, Senger C, Goldsobel G, Kuzman D, Guenther S, Winnenburg R, Schroeder M, Preissner R: SuperCYP: a comprehensive database on Cytochrome P450 enzymes including a tool for analysis of CYP-drug interactions. Nucleic Acids Res. 2010 Jan;38(Database issue):D237-43. Epub 2009 Nov 24. Pubmed

Comments
Drug created on October 21, 2007 16:23 / Updated on February 08, 2013 16:23