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Saquinavir

CHEMBL114 Phase 4 Approved Small molecule
Half-Life
—
Bioavailability
—
Protein Binding
—
Molecular Weight
670.8 g/mol
LogP
4.2
Phase
4

An antiretroviral protease inhibitor used in combination HIV treatment regimens to block the virus from producing mature, infectious particles. It must always be taken with ritonavir as a booster and with food to ensure adequate absorption into the bloodstream.

Molecular Weight

670.8000 g/mol

LogP

4.20

TPSA

167.00 Ų

Lipinski RO5

Pass

Therapeutic Areas

Cardiovascular Disease HIV/AIDS Hypertension

Mechanism of Action

Inhibits viral protease, an enzyme essential for cleaving polyprotein precursors into functional viral proteins required for viral maturation and infectivity.

Pharmacokinetics (PK)

Pharmacodynamics (PD)

Mechanism

Inhibits viral protease, an enzyme essential for cleaving polyprotein precursors into functional viral proteins required for viral maturation and infectivity.

2D Structure

SVG PNG

Cite this structure


                        

                            
                            
                        

                    

                


                
                

                    

                    

                        
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SMILES

                    
CC(C)(C)NC(=O)[C@@H]1C[C@@H]2CCCC[C@@H]2CN1C[C@@H](O)[C@H](Cc1ccccc1)NC(=O)[C@H](CC(N)=O)NC(=O)c1ccc2ccccc2n1

                

                

                
                

                    
InChI

                    
InChI=1S/C38H50N6O5/c1-38(2,3)43-37(49)32-20-26-14-7-8-15-27(26)22-44(32)23-33(45)30(19-24-11-5-4-6-12-24)41-36(48)31(21-34(39)46)42-35(47)29-18-17-25-13-9-10-16-28(25)40-29/h4-6,9-13,16-18,26-27,30-33,45H,7-8,14-15,19-23H2,1-3H3,(H2,39,46)(H,41,48)(H,42,47)(H,43,49)/t26-,27+,30-,31-,32-,33+/m0/s1

                

                

                

                    
                    

                        
Molecular Formula

                        
C38H50N6O5

                    

                    
                    

                        
HBD / HBA

                        
5 / 7

                    

                    
                    

                        
Rotatable Bonds

                        
13

                    

                    
                    
                    

                        
Heavy Atoms

                        
49

                    

                    
                

            


            
            

                
                


    
    
        
    
    
    
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 antiretroviral protease inhibitor used in combination HIV treatment regimens to block the virus from producing mature, infectious particles. It must always be taken with ritonavir as a booster and with food to ensure adequate absorption into the bloodstream.

                        

                    

                    

                    

                    
                    

                        
                        

                            
Inhibits viral protease, an enzyme essential for cleaving polyprotein precursors into functional viral proteins required for viral maturation and infectivity.

                        

                    

                    

                    

                    

                        
                        

                            
Yes, Saquinavir 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).
                CHEMBL114.
                Open-access bioactivity database.
            
        
    • 
        
        
        
  • 
            
            
                PubChem — National Center for Biotechnology Information (NCBI).
                CID 441243.
                Chemical information database.
            
        
    • 
        
        
        
        
    

    
Data aggregated from publicly available pharmacological databases. Last updated 2026-03-28.




        


        
        
    


    



    
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.