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

CAS registry number (Chemical Abstracts Service)


Chemical Formula

C49-H75-N-O13 + C48-H73-N-O13

Therapeutic Category


Chemical Name

Mixture of (4''-R)-5-O-Demethyl-4''-deoxy-4''-(methylamino)avermectin A₁A and (4''-R)-5-O-Demethyl-25-de(1-methylpropyl)-4''-deoxy-4''-(methylamino)-25-(1-methylethyl)avermectin A₁A in the ratio (9:1)

Foreign Names

  • Emamectin (German)
  • Emamectina (Spanish)

Generic Names

  • MK-243 (IS)
  • Methylamino abamectin benzoate (IS)
  • MK-244 (IS)
  • Sch 58854 (IS)

Brand Names

  • Slice [veterinary use]
    Intervet, United Kingdom; Intervet Ireland, Ireland; MSD Animal, Norway; MSD Animal Health, Finland; Schering-Plough, Israel
  • Slice vet [veterinary use]
    Intervet, Iceland


ISInofficial Synonym

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.