💊 Drugs A-Z 🧬 Targets 🛠 Tools 📚 Guides
All Drugs Drug Classes Therapeutic Areas Side Effects
Guides Glossary Timeline
Comparisons Drug Journeys Drug Families
🇺🇸 English 🇰🇷 한국어 🇯🇵 日本語 🇨🇳 中文简体 🇪🇸 Español 🇧🇷 Português 🇮🇳 हिन्दी 🇸🇦 العربية 🇫🇷 Français 🇷🇺 Русский 🇩🇪 Deutsch 🇹🇷 Türkçe 🇻🇳 Tiếng Việt 🇮🇩 Bahasa Indonesia 🇹🇭 ไทย

Erythromycin Stearate

CHEMBL1200510 Phase 4 Approved Small molecule
Half-Life
—
Bioavailability
—
Protein Binding
—
Molecular Weight
1018.4 g/mol
LogP
—
Phase
4

The stearate salt of erythromycin, this oral antibiotic is absorbed in the intestine and converted to active erythromycin to treat bacterial infections. The stearate form helps mask the bitter taste of erythromycin in tablet formulations.

Molecular Weight

1018.4000 g/mol

TPSA

231.00 Ų

Therapeutic Areas

Asthma Atrial Fibrillation Bladder Cancer Breast Cancer Cardiovascular Disease Chronic Kidney Disease Chronic Obstructive Pulmonary Disease Chronic Pain Colorectal Cancer Deep Vein Thrombosis / Pulmonary Embolism Gastroesophageal Reflux Disease Generalized Anxiety Disorder Glaucoma Heart Failure Hepatitis C HIV/AIDS Hypertension Infectious Disease Insomnia Leukemia Lymphoma Malaria Melanoma Multiple Sclerosis Non-Alcoholic Fatty Liver Disease Non-Small Cell Lung Cancer Obesity Ovarian Cancer Pain Management Pancreatic Cancer Parkinson's Disease Prostate Cancer Rheumatoid Arthritis Stroke Thyroid Cancer Tuberculosis Type 2 Diabetes

Mechanism of Action

Binds to the 50S ribosomal subunit of susceptible bacteria, blocking the translocation step of protein synthesis by interfering with transpeptidation and translocation. This results in bacteriostatic inhibition of protein production.

Pharmacokinetics (PK)

Pharmacodynamics (PD)

Mechanism

Binds to the 50S ribosomal subunit of susceptible bacteria, blocking the translocation step of protein synthesis by interfering with transpeptidation and translocation. This results in bacteriostatic inhibition of protein production.

2D Structure

SVG PNG

Cite this structure


                        

                            
                            
                        

                    

                


                
                

                    

                    

                        
Embed this structure

                        

                        

                            
                            
                        

                    

                

                

                
                

                    
SMILES

                    
CCCCCCCCCCCCCCCCCC(=O)O.CC[C@H]1OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(OC)[C@@H](O)[C@H](C)O2)[C@H](C)[C@@H](O[C@@H]2O[C@H](C)C[C@H](N(C)C)[C@H]2O)[C@](C)(O)C[C@@H](C)C(=O)[C@H](C)[C@@H](O)[C@]1(C)O

                

                

                
                

                    
InChI

                    
InChI=1S/C37H67NO13.C18H36O2/c1-14-25-37(10,45)30(41)20(4)27(39)18(2)16-35(8,44)32(51-34-28(40)24(38(11)12)15-19(3)47-34)21(5)29(22(6)33(43)49-25)50-26-17-36(9,46-13)31(42)23(7)48-26;1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h18-26,28-32,34,40-42,44-45H,14-17H2,1-13H3;2-17H2,1H3,(H,19,20)/t18-,19-,20+,21+,22-,23+,24+,25-,26+,28-,29+,30-,31+,32-,34+,35-,36-,37-;/m1./s1

                

                

                

                    
                    

                        
Molecular Formula

                        
C55H103NO15

                    

                    
                    

                        
HBD / HBA

                        
6 / 16

                    

                    
                    

                        
Rotatable Bonds

                        
23

                    

                    
                    
                    

                        
Heavy Atoms

                        
71

                    

                    
                

            


            
            

                
                


    
    
        
    
    
    
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 stearate salt of erythromycin, this oral antibiotic is absorbed in the intestine and converted to active erythromycin to treat bacterial infections. The stearate form helps mask the bitter taste of erythromycin in tablet formulations.

                        

                    

                    

                    

                    
                    

                        
                        

                            
Binds to the 50S ribosomal subunit of susceptible bacteria, blocking the translocation step of protein synthesis by interfering with transpeptidation and translocation. This results in bacteriostatic inhibition of protein production.

                        

                    

                    

                    

                    

                        
                        

                            
Yes, Erythromycin Stearate 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).
                CHEMBL1200510.
                Open-access bioactivity database.
            
        
    • 
        
        
        
  • 
            
            
                PubChem — National Center for Biotechnology Information (NCBI).
                CID 12559.
                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.