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CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Anesthetic, local

Chemical Names

beta-(Dietylamino)etyl p-(butylamino)benzoate

4-(Butylamino)benzoic acid 2-(dietylamino)etyl ester

Benzoic acid, p-butylamino-, 2-(dietylamino)etyl ester

Foreign Name

  • 2-Diethylaminoethyl 4-butylaminobenzoat (German)

Generic Names

  • 2-(Diethylamino)ethyl 4-(butylamino)benzoate (IS)
  • 3-14-00-01093 (IS: Beilstein)
  • 4-(Butylamino)benzoic acid 2-(diethylamino)ethyl ester (IS)
  • BRN 2129747 (IS)
  • S 655 (IS)
  • T-Caine (IS)
  • Diethylaminoethyl p-Butylaminobenzoate Hydrochloride (OS: JAN)
  • 2-(Diethylamino)ethyl p-(butylamino)benzoate hydrochloride (IS)

Brand Names

  • Neo percamin S (Farmocaine and Cinchocaine)
    Nagase Medicals, Japan
  • Neozalocaine (Farmocaine and Benzocaine)
    Neo Dental Chemical, Japan
  • T Cain
    Nagase Medicals, Japan


ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym

Further information on drug naming conventions: International Nonproprietary Names.

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Further information

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