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Erlotinib Hydrochloride

CHEMBL1079742 Phase 4 अनुमोदित Small molecule
Half-Life
—
Bioavailability
—
Protein Binding
—
Molecular Weight
429.9 g/mol
LogP
—
Phase
4

Reversible inhibition of the epidermal growth factor receptor tyrosine kinase is the pharmacology of erlotinib hydrochloride, which prevents receptor autophosphorylation and thereby interrupts downstream proliferative signalling. Tumours carrying activating EGFR mutations depend on that pathway, and it is in such tumours that the agent slows growth. The hydrochloride salt is the form presented in standard oral capsules, chosen for pharmaceutical rather than pharmacological reasons. Reversibility of binding distinguishes this generation of EGFR inhibitors from the covalent agents developed subsequently. The salt has the formula C22H24ClN3O4 and a molecular weight of approximately 429.9 g/mol, and it is approved with development completed through the final phase.

The hydrochloride salt form of erlotinib, this targeted cancer drug blocks the EGFR signaling pathway to slow the growth of EGFR-mutated tumors. The hydrochloride salt formulation is used in standard oral capsules.

आणविक भार

429.9000 g/mol

TPSA

74.70 Ų

चिकित्सीय क्षेत्र

ऑन्कोलॉजी

क्रिया का तंत्र

Reversible inhibitor of EGFR (HER1) tyrosine kinase, blocking autophosphorylation.

Pharmacokinetics (PK)

Pharmacodynamics (PD)

तंत्र

Reversible inhibitor of EGFR (HER1) tyrosine kinase, blocking autophosphorylation.

2D संरचना

SVG PNG

Cite this structure


                        

                            
                            
                        

                    

                


                
                

                    

                    

                        
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SMILES

                    
C#Cc1cccc(Nc2ncnc3cc(OCCOC)c(OCCOC)cc23)c1.Cl

                

                

                
                

                    
InChI

                    
InChI=1S/C22H23N3O4.ClH/c1-4-16-6-5-7-17(12-16)25-22-18-13-20(28-10-8-26-2)21(29-11-9-27-3)14-19(18)23-15-24-22;/h1,5-7,12-15H,8-11H2,2-3H3,(H,23,24,25);1H

                

                

                

                    
                    

                        
Molecular Formula

                        
C22H24ClN3O4

                    

                    
                    

                        
HBD / HBA

                        
2 / 7

                    

                    
                    

                        
घूर्णनीय बंधन

                        
11

                    

                    
                    
                    

                        
भारी परमाणु

                        
30

                    

                    
                

            


            
            

                
                


    
    
        
    
    
    
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.

    



                
            


            
            
            

                
अक्सर पूछे जाने वाले प्रश्न

                

                    
                    

                        
                        

                            
The hydrochloride salt form of erlotinib, this targeted cancer drug blocks the EGFR signaling pathway to slow the growth of EGFR-mutated tumors. The hydrochloride salt formulation is used in standard oral capsules.

                        

                    

                    

                    

                    
                    

                        
                        

                            
Reversible inhibitor of EGFR (HER1) tyrosine kinase, blocking autophosphorylation.

                        

                    

                    

                    

                    

                        
                        

                            
Yes, Erlotinib 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

    
    
        
        
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                ChEMBL — European Bioinformatics Institute (EBI).
                CHEMBL1079742.
                Open-access bioactivity database.
            
        
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  • 
            
            
                PubChem — National Center for Biotechnology Information (NCBI).
                CID 176871.
                Chemical information database.
            
        
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Data aggregated from publicly available pharmacological databases. Last updated 2026-08-20.




        


        
        
    


    



    
चिकित्सा अस्वीकरण

    

        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.