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Dequalinium Chloride

CHEMBL121663 Phase 4 Approved Small molecule
Half-Life
—
Bioavailability
—
Protein Binding
—
Molecular Weight
527.6 g/mol
LogP
—
Phase
4

The chloride salt of dequalinium, a topical antiseptic agent used in throat lozenges for oral infections and vaginal tablets for bacterial vaginosis. Its bisquaternary ammonium structure disrupts the membranes of bacteria, fungi, and protozoa.

Molecular Weight

527.6000 g/mol

TPSA

59.80 Ų

Mechanism of Action

Disrupts microbial cell membranes and denatures proteins on contact, producing rapid broad-spectrum antimicrobial activity on skin and wound surfaces.

Pharmacokinetics (PK)

Pharmacodynamics (PD)

Mechanism

Disrupts microbial cell membranes and denatures proteins on contact, producing rapid broad-spectrum antimicrobial activity on skin and wound surfaces.

2D Structure

SVG PNG

Cite this structure


                        

                            
                            
                        

                    

                


                
                

                    

                    

                        
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SMILES

                    
Cc1cc(N)c2ccccc2[n+]1CCCCCCCCCC[n+]1c(C)cc(N)c2ccccc21.[Cl-].[Cl-]

                

                

                
                

                    
InChI

                    
InChI=1S/C30H38N4.2ClH/c1-23-21-27(31)25-15-9-11-17-29(25)33(23)19-13-7-5-3-4-6-8-14-20-34-24(2)22-28(32)26-16-10-12-18-30(26)34;;/h9-12,15-18,21-22,31-32H,3-8,13-14,19-20H2,1-2H3;2*1H

                

                

                

                    
                    

                        
Molecular Formula

                        
C30H40Cl2N4

                    

                    
                    

                        
HBD / HBA

                        
2 / 4

                    

                    
                    

                        
Rotatable Bonds

                        
11

                    

                    
                    
                    

                        
Heavy Atoms

                        
36

                    

                    
                

            


            
            

                
                


    
    
        
    
    
    
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

                

                    
                    

                        
                        

                            
The chloride salt of dequalinium, a topical antiseptic agent used in throat lozenges for oral infections and vaginal tablets for bacterial vaginosis. Its bisquaternary ammonium structure disrupts the membranes of bacteria, fungi, and protozoa.

                        

                    

                    

                    

                    
                    

                        
                        

                            
Disrupts microbial cell membranes and denatures proteins on contact, producing rapid broad-spectrum antimicrobial activity on skin and wound surfaces.

                        

                    

                    

                    

                    

                        
                        

                            
Yes, Dequalinium Chloride 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).
                CHEMBL121663.
                Open-access bioactivity database.
            
        
    • 
        
        
        
  • 
            
            
                PubChem — National Center for Biotechnology Information (NCBI).
                CID 10649.
                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.