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Asunaprevir

CHEMBL2105735 Phase 4 Approved Small molecule
Half-Life
—
Bioavailability
—
Protein Binding
—
Molecular Weight
748.3 g/mol
LogP
4.9
Phase
4

An NS3/4A protease inhibitor that blocks a key enzyme hepatitis C virus needs to process its proteins and replicate, used in combination with other direct-acting antivirals for chronic HCV infection.

Molecular Weight

748.3000 g/mol

LogP

4.90

TPSA

191.00 Ų

Lipinski RO5

Pass

Therapeutic Areas

Hepatitis C

Mechanism of Action

Inhibits viral protease enzymes required for the cleavage of polyprotein precursors into functional viral proteins, blocking viral maturation and replication.

Pharmacokinetics (PK)

Pharmacodynamics (PD)

Mechanism

Inhibits viral protease enzymes required for the cleavage of polyprotein precursors into functional viral proteins, blocking viral maturation and replication.

2D Structure

SVG PNG

Cite this structure


                        

                            
                            
                        

                    

                


                
                

                    

                    

                        
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SMILES

                    
C=C[C@@H]1C[C@]1(NC(=O)[C@@H]1C[C@@H](Oc2ncc(OC)c3ccc(Cl)cc23)CN1C(=O)[C@@H](NC(=O)OC(C)(C)C)C(C)(C)C)C(=O)NS(=O)(=O)C1CC1

                

                

                
                

                    
InChI

                    
InChI=1S/C35H46ClN5O9S/c1-9-19-16-35(19,31(44)40-51(46,47)22-11-12-22)39-28(42)25-15-21(49-29-24-14-20(36)10-13-23(24)26(48-8)17-37-29)18-41(25)30(43)27(33(2,3)4)38-32(45)50-34(5,6)7/h9-10,13-14,17,19,21-22,25,27H,1,11-12,15-16,18H2,2-8H3,(H,38,45)(H,39,42)(H,40,44)/t19-,21-,25+,27-,35-/m1/s1

                

                

                

                    
                    

                        
Molecular Formula

                        
C35H46ClN5O9S

                    

                    
                    

                        
HBD / HBA

                        
3 / 10

                    

                    
                    

                        
Rotatable Bonds

                        
14

                    

                    
                    
                    

                        
Heavy Atoms

                        
51

                    

                    
                

            


            
            

                
                


    
    
        
    
    
    
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

                

                    
                    

                        
                        

                            
An NS3/4A protease inhibitor that blocks a key enzyme hepatitis C virus needs to process its proteins and replicate, used in combination with other direct-acting antivirals for chronic HCV infection.

                        

                    

                    

                    

                    
                    

                        
                        

                            
Inhibits viral protease enzymes required for the cleavage of polyprotein precursors into functional viral proteins, blocking viral maturation and replication.

                        

                    

                    

                    

                    

                        
                        

                            
Yes, Asunaprevir 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).
                CHEMBL2105735.
                Open-access bioactivity database.
            
        
    • 
        
        
        
  • 
            
            
                PubChem — National Center for Biotechnology Information (NCBI).
                CID 16076883.
                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.