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In some countries, this medicine may only be approved for veterinary use.



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category


Chemical Names

2-Chloro-1-(2,4-dichlorophenyl)vinyl dietyl phosphate (WHO, BAN)

2-Chloro-1-(2,4-dichlorphenyl)vinyldietylphosphat (IUPAC)

Phosphoric acid, 2-chloro-1-(2,4-dichlorophenyl)etenyl dietyl ester

Phosphoric acid, 2-chloro-1-(2,4-dichlorophenyl)vinyl dietyl ester

Foreign Names

  • Clofenvinfosum (Latin)
  • Clofenvinfos (German)
  • Clofenvinfos (French)
  • Clofenvinfos (Spanish)

Generic Names

  • Clofenvinfos (OS: BAN)
  • AI3-24969 (IS)
  • Apachlor (IS)
  • Birlane 10G (IS)
  • BRN 2338385 (IS)
  • Chlorfenvinphos (IS)
  • Clofenvinfosum (IS)
  • EINECS 207-432-0 (IS)
  • ENT 24969 (IS)
  • EPA Pesticide Chemical Code 084101 (IS)
  • GC 4072 (IS)
  • HSDB 1540 (IS)
  • OMS 1328 (IS)
  • SD 4072 (IS)
  • SD 7859 (IS)
  • Vinylphate (IS)

Brand Names

  • Aerosol Sheep Dressing (veterinary use)
    Western Stock Distributors, Australia
  • Barricade (Clofenvinfos and Cypermethrin (veterinary use))
    Zoetis Australia, Australia
  • Blockade (Clofenvinfos and Cypermethrin (veterinary use))
    Coopers Animal Health, Australia
  • Blowfly (Clofenvinfos and Cypermethrin (veterinary use))
    Bayer AH, South Africa
  • Coopers Supadip (veterinary use)
    Afrivet, South Africa
  • Steladone (veterinary use)
    Cipla Agrimed, South Africa
  • Supona (veterinary use)
    Zoetis, South Africa; Zoetis Australia, Australia
  • Tick and Maggot Oil (Clofenvinfos and Cypermethrin (veterinary use))
    Bayer AH, South Africa
  • Tick Dressing S (veterinary use)
    Bayer AH, South Africa
  • Zeropar (Clofenvinfos and Alpha-Cypermethrin (veterinary use))
    Bayer AH, South Africa


BANBritish Approved Name
IUPACInternational Union of Pure and Applied Chemistry
ISInofficial Synonym
OSOfficial Synonym
Rec.INNRecommended International Nonproprietary Name (World Health Organization)

Further information on drug naming conventions: International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.