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Butorphanol

CHEMBL33986 Phase 4 अनुमोदित Small molecule
Half-Life
—
Bioavailability
—
Protein Binding
—
Molecular Weight
327.5 g/mol
LogP
3.8
Phase
4

A mixed opioid agonist-antagonist analgesic used for moderate-to-severe pain, including migraine headaches and labor pain. It activates kappa opioid receptors while acting as a partial antagonist at mu receptors, providing pain relief with a lower risk of physical dependence than pure mu agonists. It is available as a nasal spray and injectable solution.

आणविक भार

327.5000 g/mol

LogP

3.80

TPSA

43.70 Ų

लिपिंस्की RO5

उत्तीर्ण

चिकित्सीय क्षेत्र

जनरलाइज़्ड एंग्ज़ाइटी डिसऑर्डर दर्द प्रबंधन दीर्घकालिक दर्द

क्रिया का तंत्र

Binds to mu (μ), kappa (κ), and/or delta (δ) opioid receptors in the central and peripheral nervous system, mimicking endogenous endorphins. Activation of these G-protein-coupled receptors inhibits pain signal transmission and modulates the emotional response to pain.

Pharmacokinetics (PK)

Pharmacodynamics (PD)

तंत्र

Binds to mu (μ), kappa (κ), and/or delta (δ) opioid receptors in the central and peripheral nervous system, mimicking endogenous endorphins. Activation of these G-protein-coupled receptors inhibits pain signal transmission …

2D संरचना

SVG PNG

Cite this structure


                        

                            
                            
                        

                    

                


                
                

                    

                    

                        
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SMILES

                    
Oc1ccc2c(c1)[C@@]13CCCC[C@@]1(O)[C@@H](C2)N(CC1CCC1)CC3

                

                

                
                

                    
InChI

                    
InChI=1S/C21H29NO2/c23-17-7-6-16-12-19-21(24)9-2-1-8-20(21,18(16)13-17)10-11-22(19)14-15-4-3-5-15/h6-7,13,15,19,23-24H,1-5,8-12,14H2/t19-,20+,21-/m1/s1

                

                

                

                    
                    

                        
Molecular Formula

                        
C21H29NO2

                    

                    
                    

                        
HBD / HBA

                        
2 / 3

                    

                    
                    

                        
घूर्णनीय बंधन

                        
2

                    

                    
                    
                    

                        
भारी परमाणु

                        
24

                    

                    
                

            


            
            

                
                


    
    
        
    
    
    
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

                

                    
                    

                        
                        

                            
A mixed opioid agonist-antagonist analgesic used for moderate-to-severe pain, including migraine headaches and labor pain. It activates kappa opioid receptors while acting as a partial antagonist at mu receptors, providing pain relief with a lower risk of physical dependence than pure mu agonists. It is available as a nasal spray and injectable solution.

                        

                    

                    

                    

                    
                    

                        
                        

                            
Binds to mu (μ), kappa (κ), and/or delta (δ) opioid receptors in the central and peripheral nervous system, mimicking endogenous endorphins. Activation of these G-protein-coupled receptors inhibits pain signal transmission and modulates the emotional response to pain.

                        

                    

                    

                    

                    

                        
                        

                            
Yes, Butorphanol 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).
                CHEMBL33986.
                Open-access bioactivity database.
            
        
    • 
        
        
        
  • 
            
            
                PubChem — National Center for Biotechnology Information (NCBI).
                CID 5361092.
                Chemical information database.
            
        
    • 
        
        
        
        
    

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




        


        
        
    


    



    
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.