Salmeterol

CHEMBL1263 Phase 4 Approved Small molecule

Half-Life

—

Bioavailability

—

Protein Binding

—

Molecular Weight

415.6 g/mol

LogP

3.9

Phase

4

A long-acting bronchodilator taken twice daily to keep the airways open and prevent breathing symptoms in asthma and COPD. Unlike quick-relief inhalers, it is not intended for sudden attacks but rather for ongoing daily control of breathing difficulties.

Molecular Weight

415.6000 g/mol

LogP

3.90

TPSA

82.00 Å²

Lipinski RO5

Pass

Therapeutic Areas

Asthma Chronic Obstructive Pulmonary Disease Heart Failure Obesity Respiratory Disease

Pharmacokinetics (PK)

Pharmacodynamics (PD)

2D Structure

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SMILES

OCc1cc(C(O)CNCCCCCCOCCCCc2ccccc2)ccc1O

InChI

InChI=1S/C25H37NO4/c27-20-23-18-22(13-14-24(23)28)25(29)19-26-15-7-1-2-8-16-30-17-9-6-12-21-10-4-3-5-11-21/h3-5,10-11,13-14,18,25-29H,1-2,6-9,12,15-17,19-20H2

Molecular Formula

C25H37NO4

HBD / HBA

4 / 5

Rotatable Bonds

16

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

A long-acting bronchodilator taken twice daily to keep the airways open and prevent breathing symptoms in asthma and COPD. Unlike quick-relief inhalers, it is not intended for sudden attacks but rather for ongoing daily control of breathing difficulties.

Yes, Salmeterol 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). CHEMBL1263. Open-access bioactivity database.
PubChem — National Center for Biotechnology Information (NCBI). CID 5152. Chemical information database.

Data aggregated from publicly available pharmacological databases. Last updated 2026-03-28.

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Structure

Quick Data

Formula: C25H37NO4
Synonyms: 7

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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.