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Diphenhydramine Hydrochloride

CHEMBL1620 Phase 4 已批准 Small molecule
Half-Life
—
Bioavailability
—
Protein Binding
—
Molecular Weight
291.8 g/mol
LogP
—
Phase
4

The hydrochloride salt form of diphenhydramine, the most widely used pharmaceutical form found in oral tablets, capsules, liquid preparations, and topical formulations. It provides the same antihistamine, sedative, and anticholinergic effects as the parent compound. It is the active ingredient in many over-the-counter sleep aids and allergy medications.

分子量

291.8000 g/mol

TPSA

12.50 Ų

治疗领域

Ovarian Cancer Pancreatic Cancer Bladder Cancer Thyroid Cancer Endometriosis Cardiovascular Disease Respiratory Disease Pain Management Non-Small Cell Lung Cancer Rheumatoid Arthritis Asthma Chronic Obstructive Pulmonary Disease Alzheimer's Disease Parkinson's Disease Migraine Schizophrenia Bipolar Disorder Generalized Anxiety Disorder Insomnia Infectious Disease Melanoma Oncology Gastroesophageal Reflux Disease Inflammatory Bowel Disease Systemic Lupus Erythematosus Multiple Sclerosis Chronic Kidney Disease Non-Alcoholic Fatty Liver Disease Stroke Lymphoma Hypertension Major Depressive Disorder Breast Cancer Atopic Dermatitis Gout Chronic Pain Prostate Cancer Colorectal Cancer Leukemia

作用机制

First-generation H1 antihistamine with anticholinergic properties.

Pharmacokinetics (PK)

Pharmacodynamics (PD)

机制

First-generation H1 antihistamine with anticholinergic properties.

二维结构

SVG PNG

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SMILES

                    
CN(C)CCOC(c1ccccc1)c1ccccc1.Cl

                

                

                
                

                    
InChI

                    
InChI=1S/C17H21NO.ClH/c1-18(2)13-14-19-17(15-9-5-3-6-10-15)16-11-7-4-8-12-16;/h3-12,17H,13-14H2,1-2H3;1H

                

                

                

                    
                    

                        
Molecular Formula

                        
C17H22ClNO

                    

                    
                    

                        
HBD / HBA

                        
1 / 2

                    

                    
                    

                        
可旋转键数

                        
6

                    

                    
                    
                    

                        
重原子数

                        
20

                    

                    
                

            


            
            

                
                


    
    
        
    
    
    
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

                

                    
                    

                        
                        

                            
The hydrochloride salt form of diphenhydramine, the most widely used pharmaceutical form found in oral tablets, capsules, liquid preparations, and topical formulations. It provides the same antihistamine, sedative, and anticholinergic effects as the parent compound. It is the active ingredient in many over-the-counter sleep aids and allergy medications.

                        

                    

                    

                    

                    
                    

                        
                        

                            
First-generation H1 antihistamine with anticholinergic properties.

                        

                    

                    

                    

                    

                        
                        

                            
Yes, Diphenhydramine Hydrochloride 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).
                CHEMBL1620.
                Open-access bioactivity database.
            
        
    • 
        
        
        
  • 
            
            
                PubChem — National Center for Biotechnology Information (NCBI).
                CID 8980.
                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.