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Epinastine

CHEMBL1106 Phase 4 已批准 Small molecule
Half-Life
—
Bioavailability
—
Protein Binding
—
Molecular Weight
249.3 g/mol
LogP
3.5
Phase
4

This antihistamine and mast cell stabilizer eye drop works by blocking histamine receptors in the eye to prevent and relieve itching caused by allergies. It provides fast-acting relief from allergic eye symptoms.

分子量

249.3100 g/mol

LogP

3.50

TPSA

41.60 Ų

Lipinski 五规则

符合

作用机制

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)

机制

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.

二维结构

SVG PNG

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SMILES

                    
NC1=NCC2c3ccccc3Cc3ccccc3N12

                

                

                
                

                    
InChI

                    
InChI=1S/C16H15N3/c17-16-18-10-15-13-7-3-1-5-11(13)9-12-6-2-4-8-14(12)19(15)16/h1-8,15H,9-10H2,(H2,17,18)

                

                

                

                    
                    

                        
Molecular Formula

                        
C16H15N3

                    

                    
                    

                        
HBD / HBA

                        
1 / 1

                    

                    
                    

                        
可旋转键数

                        
0

                    

                    
                    
                    

                        
重原子数

                        
19

                    

                    
                

            


            
            

                
                


    
    
        
    
    
    
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.

    



                
            


            
            
            

                
常见问题

                

                    
                    

                        
                        

                            
This antihistamine and mast cell stabilizer eye drop works by blocking histamine receptors in the eye to prevent and relieve itching caused by allergies. It provides fast-acting relief from allergic eye symptoms.

                        

                    

                    

                    

                    
                    

                        
                        

                            
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, Epinastine 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).
                CHEMBL1106.
                Open-access bioactivity database.
            
        
    • 
        
        
        
  • 
            
            
                PubChem — National Center for Biotechnology Information (NCBI).
                CID 3241.
                Chemical information database.
            
        
    • 
        
        
        
        
    

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




        


        
        
    


    



    
医疗免责声明

    

        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.