Skip to Content

1-Naphthylacetic Acid

CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Choleretic agent

Contrast medium for cholecysto-cholangiography

Chemical Names

α-Naphtaleneacetic acid

(Naphtalen-1-yl)acetic acid

Foreign Names

  • Acidum 1-naphthyl-aceticum (Latin)
  • 1-Naphthylessigsäure (German)
  • Acide 1-naphthalène-acétique (French)

Generic Names

  • 1-Naphthylacetic Acid (OS: JAN)
  • 1-Naphthalene Acetic Acid (IS)
  • BRN 1308415 (IS: Beilstein)
  • CCRIS 8814 (IS)
  • HSDB 2038 (IS)
  • NAA (IS)

Brand Name


ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial 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.