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Ibufenac

CHEMBL341812 Phase 4 Approved Small molecule
Half-Life
—
Bioavailability
—
Protein Binding
—
Molecular Weight
192.2 g/mol
LogP
3.1
Phase
4

This early nonsteroidal anti-inflammatory drug (NSAID) was withdrawn from the market due to serious liver toxicity, but it paved the way for the development of safer drugs like ibuprofen. It worked by inhibiting prostaglandin synthesis to reduce pain and inflammation.

Molecular Weight

192.2500 g/mol

LogP

3.10

TPSA

37.30 Ų

Lipinski RO5

Pass

Mechanism of Action

Inhibits cyclooxygenase (COX-1 and/or COX-2) enzymes, reducing the synthesis of prostaglandins and thromboxanes from arachidonic acid. This produces anti-inflammatory, analgesic, and antipyretic effects.

Pharmacokinetics (PK)

Pharmacodynamics (PD)

Mechanism

Inhibits cyclooxygenase (COX-1 and/or COX-2) enzymes, reducing the synthesis of prostaglandins and thromboxanes from arachidonic acid. This produces anti-inflammatory, analgesic, and antipyretic effects.

2D Structure

SVG PNG

Cite this structure


                        

                            
                            
                        

                    

                


                
                

                    

                    

                        
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SMILES

                    
CC(C)Cc1ccc(CC(=O)O)cc1

                

                

                
                

                    
InChI

                    
InChI=1S/C12H16O2/c1-9(2)7-10-3-5-11(6-4-10)8-12(13)14/h3-6,9H,7-8H2,1-2H3,(H,13,14)

                

                

                

                    
                    

                        
Molecular Formula

                        
C12H16O2

                    

                    
                    

                        
HBD / HBA

                        
1 / 2

                    

                    
                    

                        
Rotatable Bonds

                        
4

                    

                    
                    
                    

                        
Heavy Atoms

                        
14

                    

                    
                

            


            
            

                
                


    
    
        
    
    
    
No targets recorded

    
    
Target interaction data is not yet available for this drug.

    



                
            


            
            

                
                


    
    
        
    
    
    
No interactions recorded

    
    
Drug interaction data is not yet available for this compound.

    



                
            


            
            

                
                


    
    
        
    
    
    
No side effects recorded

    
    
Side effect data is not yet available for this drug.

    



                
            


            
            
            

                
Frequently Asked Questions

                

                    
                    

                        
                        

                            
This early nonsteroidal anti-inflammatory drug (NSAID) was withdrawn from the market due to serious liver toxicity, but it paved the way for the development of safer drugs like ibuprofen. It worked by inhibiting prostaglandin synthesis to reduce pain and inflammation.

                        

                    

                    

                    

                    
                    

                        
                        

                            
Inhibits cyclooxygenase (COX-1 and/or COX-2) enzymes, reducing the synthesis of prostaglandins and thromboxanes from arachidonic acid. This produces anti-inflammatory, analgesic, and antipyretic effects.

                        

                    

                    

                    

                    

                        
                        

                            
Yes, Ibufenac is an approved drug. It has reached clinical phase 4. It is classified as a Small molecule.

                        

                    

                

            

            

            
            

            
            

            
            
{# References & Data Sources section for drug detail pages.
   Renders standard pharmacological database links plus the drug's data_sources field. #}


    
References & Data Sources

    
    
        
        
  • 
            
            
                ChEMBL — European Bioinformatics Institute (EBI).
                CHEMBL341812.
                Open-access bioactivity database.
            
        
    • 
        
        
        
  • 
            
            
                PubChem — National Center for Biotechnology Information (NCBI).
                CID 15250.
                Chemical information database.
            
        
    • 
        
        
        
        
    

    
Data aggregated from publicly available pharmacological databases. Last updated 2026-03-04.




        


        
        
    


    



    
Medical Disclaimer

    

        This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making medication decisions.
    

    

        Data sources:
        ChEMBL,
        PubChem,
        DailyMed.