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Dolasetron Mesylate

CHEMBL2368924 Phase 4 Approved Small molecule
Half-Life
—
Bioavailability
—
Protein Binding
—
Molecular Weight
438.5 g/mol
LogP
—
Phase
4

The mesylate salt form of dolasetron, used in oral and injectable preparations for antiemetic therapy. It blocks 5-HT3 receptors to prevent chemotherapy-induced and postoperative nausea and vomiting. This salt form improves solubility for pharmaceutical formulation.

Molecular Weight

438.5000 g/mol

TPSA

126.00 Ų

Mechanism of Action

Competitively binds to its target receptor without activating it, blocking the natural ligand from binding and preventing receptor-mediated signaling.

Pharmacokinetics (PK)

Pharmacodynamics (PD)

Mechanism

Competitively binds to its target receptor without activating it, blocking the natural ligand from binding and preventing receptor-mediated signaling.

2D Structure

SVG PNG

Cite this structure


                        

                            
                            
                        

                    

                


                
                

                    

                    

                        
Embed this structure

                        

                        

                            
                            
                        

                    

                

                

                
                

                    
SMILES

                    
CS(=O)(=O)O.O.O=C(O[C@@H]1C[C@@H]2C[C@H]3C[C@H](C1)N2CC3=O)c1c[nH]c2ccccc12

                

                

                
                

                    
InChI

                    
InChI=1S/C19H20N2O3.CH4O3S.H2O/c22-18-10-21-12-5-11(18)6-13(21)8-14(7-12)24-19(23)16-9-20-17-4-2-1-3-15(16)17;1-5(2,3)4;/h1-4,9,11-14,20H,5-8,10H2;1H3,(H,2,3,4);1H2/t11-,12-,13+,14+;;

                

                

                

                    
                    

                        
Molecular Formula

                        
C20H26N2O7S

                    

                    
                    

                        
HBD / HBA

                        
3 / 8

                    

                    
                    

                        
Rotatable Bonds

                        
3

                    

                    
                    
                    

                        
Heavy Atoms

                        
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.

    



                
            


            
            
            

                
Frequently Asked Questions

                

                    
                    

                        
                        

                            
The mesylate salt form of dolasetron, used in oral and injectable preparations for antiemetic therapy. It blocks 5-HT3 receptors to prevent chemotherapy-induced and postoperative nausea and vomiting. This salt form improves solubility for pharmaceutical formulation.

                        

                    

                    

                    

                    
                    

                        
                        

                            
Competitively binds to its target receptor without activating it, blocking the natural ligand from binding and preventing receptor-mediated signaling.

                        

                    

                    

                    

                    

                        
                        

                            
Yes, Dolasetron Mesylate 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).
                CHEMBL2368924.
                Open-access bioactivity database.
            
        
    • 
        
        
        
  • 
            
            
                PubChem — National Center for Biotechnology Information (NCBI).
                CID 6918119.
                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.