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Emedastine Difumarate

CHEMBL2103739 Phase 4 承認済み Small molecule
Half-Life
—
Bioavailability
—
Protein Binding
—
Molecular Weight
534.6 g/mol
LogP
—
Phase
4

The difumarate salt form of emedastine, this antihistamine eye drop reduces eye itching caused by allergies by blocking histamine receptors in the eye. The salt form ensures stability in the ophthalmic solution.

分子量

534.6000 g/mol

TPSA

183.00 Ų

作用機序

Competitively blocks histamine H1 receptors on effector cells, preventing histamine-mediated vasodilation, increased vascular permeability, bronchoconstriction, and pruritus. First-generation agents also cross the blood-brain barrier, causing sedation.

Pharmacokinetics (PK)

Pharmacodynamics (PD)

機序

Competitively blocks histamine H1 receptors on effector cells, preventing histamine-mediated vasodilation, increased vascular permeability, bronchoconstriction, and pruritus. First-generation agents also cross the blood-brain barrier, causing sedation.

2D構造

SVG PNG

Cite this structure


                        

                            
                            
                        

                    

                


                
                

                    

                    

                        
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SMILES

                    
CCOCCn1c(N2CCCN(C)CC2)nc2ccccc21.O=C(O)/C=C/C(=O)O.O=C(O)/C=C/C(=O)O

                

                

                
                

                    
InChI

                    
InChI=1S/C17H26N4O.2C4H4O4/c1-3-22-14-13-21-16-8-5-4-7-15(16)18-17(21)20-10-6-9-19(2)11-12-20;2*5-3(6)1-2-4(7)8/h4-5,7-8H,3,6,9-14H2,1-2H3;2*1-2H,(H,5,6)(H,7,8)/b;2*2-1+

                

                

                

                    
                    

                        
Molecular Formula

                        
C25H34N4O9

                    

                    
                    

                        
HBD / HBA

                        
4 / 12

                    

                    
                    

                        
回転可能結合数

                        
9

                    

                    
                    
                    

                        
重原子数

                        
38

                    

                    
                

            


            
            

                
                


    
    
        
    
    
    
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.

    



                
            


            
            
            

                
よくある質問

                

                    
                    

                        
                        

                            
The difumarate salt form of emedastine, this antihistamine eye drop reduces eye itching caused by allergies by blocking histamine receptors in the eye. The salt form ensures stability in the ophthalmic solution.

                        

                    

                    

                    

                    
                    

                        
                        

                            
Competitively blocks histamine H1 receptors on effector cells, preventing histamine-mediated vasodilation, increased vascular permeability, bronchoconstriction, and pruritus. First-generation agents also cross the blood-brain barrier, causing sedation.

                        

                    

                    

                    

                    

                        
                        

                            
Yes, Emedastine Difumarate 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).
                CHEMBL2103739.
                Open-access bioactivity database.
            
        
    • 
        
        
        
  • 
            
            
                PubChem — National Center for Biotechnology Information (NCBI).
                CID 5282485.
                Chemical information database.
            
        
    • 
        
        
        
        
    

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




        


        
        
    


    



    
医学的免責事項

    

        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.