Skip to Content


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



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Anthelmintic agent

Chemical Name

1H-Benz[de]isoquinoline-1,3(2H)-dione, 2-[(dietoxyphosphinyl)oxy]-

Foreign Names

  • Naftalofosum (Latin)
  • Naftalofos (German)
  • Naftalofos (French)
  • Naftalofos (Spanish)

Generic Names

  • Naftalofos (OS: BAN, USAN)
  • Bay 9002 (IS)
  • E 9002 (IS)
  • ENT 25567 (IS)
  • Naphthalophos (IS)
  • S 940 (IS: Chemagro)

Brand Names

  • Combat (veterinary use)
    Virbac, Australia
  • Rametin (Naftalofos and Abamectin (veterinary use))
    Bayer Australia Ltd Animal Health, Australia
  • Rametin (Naftalofos and Levamisole, + Fenbendazole (veterinary use))
    Bayer Australia Ltd Animal Health, Australia
  • Rametin (veterinary use)
    Bayer Australia Ltd Animal Health, Australia


BANBritish Approved Name
ISInofficial Synonym
OSOfficial Synonym
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name

Click for further information on drug naming conventions and 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.