Article · Wikipedia archive · Last revised Jun 8, 2026

Felbinac

Felbinac is a topical medicine, belonging to the family of medicines known as nonsteroidal anti-inflammatory drugs (NSAIDs) of the arylacetic acid class, which is used to treat muscle inflammation and arthritis. It is an active metabolite of fenbufen.

Last revised
Jun 8, 2026
Read time
≈ 1 min
Length
169 w
Citations
3
Source
Felbinac
Clinical data
AHFS/Drugs.comInternational Drug Names
Routes of
administration
Topical
ATC code
Legal status
Legal status
Identifiers
  • biphenyl-4-ylacetic acid
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.024.758
Chemical and physical data
FormulaC14H12O2
Molar mass212.248 g·mol−1
3D model (JSmol)
  • O=C(O)Cc1ccc(cc1)c2ccccc2
  • InChI=1S/C14H12O2/c15-14(16)10-11-6-8-13(9-7-11)12-4-2-1-3-5-12/h1-9H,10H2,(H,15,16) checkY
  • Key:QRZAKQDHEVVFRX-UHFFFAOYSA-N checkY
  (verify)

Felbinac (INN, or biphenylylacetic acid) is a topical medicine,1 belonging to the family of medicines known as nonsteroidal anti-inflammatory drugs (NSAIDs) of the arylacetic acid (not arylpropionic acid) class, which is used to treat muscle inflammation and arthritis.2 It is an active metabolite of fenbufen.3

The α-methyl acid of felbinac is called biprofen and is used to prepare bifepramide. The α-ethyl acid is called xenbucin which is used to make xenthiorate.

See also

See also

References

References

  1. The Merck Index, 12th Edition. 3989
  2. Description of Felbinac on Tiscali [1]
  3. Kohler C, Tolman E, Wooding W, Ellenbogen L (1980). "A review of the effects of fenbufen and a metabolite, biphenylacetic acid, on platelet biochemistry and function". Arzneimittelforschung. 30 (4A): 702–707. PMID 6254545.