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CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Anesthetic, local

Chemical Name

Benzoic acid, 4-amino-, butyl ester

Foreign Names

  • Butyl 4-aminobenzoat (German)
  • Butoforme (French)

Generic Names

  • Butamben (OS: USAN)
  • Butoforme (OS: DCF)
  • Butyl aminobenzoate (IS)
  • Butyl PABA (IS)
  • Butylcaine (IS)
  • Butamben (PH: USP 37)
  • Butoforme (PH: Ph. Franç. 11)
  • Butamben Picrate (OS: USAN)
  • Abbott 34842 (IS: Abbott)

Brand Name

International Drug Name Search


DCFDénomination Commune Française
ISInofficial Synonym
OSOfficial Synonym
PHPharmacopoeia Name
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.