Letrozole
A nonsteroidal aromatase inhibitor used to treat hormone receptor-positive breast cancer in postmenopausal women, and studied in other hormone-sensitive conditions. It works by blocking estrogen production to deprive cancer cells of the hormone they need to grow.
분자량
285.3000 g/mol
LogP
2.70
TPSA
78.30 Ų
리핀스키 5의 법칙
통과
치료 영역
Pharmacokinetics (PK)
Pharmacodynamics (PD)
2D 구조
Cite this structure
Embed this structure
SMILES
N#Cc1ccc(C(c2ccc(C#N)cc2)n2cncn2)cc1
InChI
InChI=1S/C17H11N5/c18-9-13-1-5-15(6-2-13)17(22-12-20-11-21-22)16-7-3-14(10-19)4-8-16/h1-8,11-12,17H
Molecular Formula
C17H11N5
HBD / HBA
- / 4
회전 가능 결합
3
무거운 원자
22
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.
자주 묻는 질문
A nonsteroidal aromatase inhibitor used to treat hormone receptor-positive breast cancer in postmenopausal women, and studied in other hormone-sensitive conditions. It works by blocking estrogen production to deprive cancer cells of the hormone they need to grow.
Yes, Letrozole is an approved drug. It has reached clinical phase 4. It is classified as a Small molecule.
References & Data Sources
- ChEMBL — European Bioinformatics Institute (EBI). CHEMBL1444. Open-access bioactivity database.
- PubChem — National Center for Biotechnology Information (NCBI). CID 3902. Chemical information database.
Data aggregated from publicly available pharmacological databases. Last updated 2026-03-04.
Embed This Widget
Add the script tag and a data attribute to embed this widget.
<script src="https://cdn.jsdelivr.net/npm/drugfyi-embed@1/dist/embed.min.js" defer></script>
<div data-drugfyi="drug" data-slug="letrozole"></div>
Embed via iframe for maximum compatibility.
<iframe src="https://drugfyi.com/iframe/drug/letrozole/" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>
Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://drugfyi.com/drug/letrozole/
Add a dynamic SVG badge to your README or docs.
[](https://drugfyi.com/drug/letrozole/)
Use the native HTML custom element.
<script src="https://cdn.jsdelivr.net/npm/drugfyi-embed@1/dist/embed.min.js" defer></script>
<drugfyi-drug slug="letrozole"></drugfyi-drug>