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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

Anesthetic, local

Chemical Names

3-Aminobenzoic acid etyl ester

Etyl m-aminobenzoate

Foreign Name

  • Tricain (German)

Generic Names

  • AI3-02743 (IS)
  • m-Ethoxycarbonylaniline (IS)
  • NCS 39593 (IS)
  • m-aminobenzoic acid ethyl ester methanesulfonate (IS)
  • Metacaine (IS)
  • MS-222 (IS)
  • NCS 93790 (IS)
  • Tricaine methanesulfonate (IS)
  • TS-222 (IS)

Brand Names


ISInofficial Synonym

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.