Chemicals and Drugs

Pentoxifylline

A METHYLXANTHINE derivative that inhibits phosphodiesterase and affects blood rheology. It improves blood flow by increasing erythrocyte and leukocyte flexibility. It also inhibits platelet aggregation. Pentoxifylline modulates immunologic activity by stimulating cytokine production.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A METHYLXANTHINE derivative that inhibits phosphodiesterase and affects blood rheology. It improves blood flow by increasing erythrocyte and leukocyte flexibility. It also inhibits platelet aggregation. Pentoxifylline modulates immunologic activity by stimulating cytokine production.

Chemical Identity

Chemical Information

Molecular Formula
C13H18N4O3
Molecular Weight
278.31 g/mol
CAS Registry No.
6493-05-6
IUPAC Name
3,7-dimethyl-1-(5-oxohexyl)purine-2,6-dione
InChIKey
BYPFEZZEUUWMEJ-UHFFFAOYSA-N
SMILES
CC(=O)CCCCN1C(=O)C2=C(N=CN2C)N(C1=O)C
MeSH Unique ID
D010431
Source
PubChem CID 4740

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

8 entry terms
  • Oxpentifylline
  • Agapurin
  • BL-191
  • Pentoxil
  • Torental
  • Trental
  • BL 191
  • BL191

MeSH Record

Aspects Covered

25 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analogs & derivatives, analysis, antagonists & inhibitors, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, economics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

History Note

91(77)

MeSH Record

Previous Indexing

  • Xanthines (1972-1976)

MeSH Hierarchy

Tree Number

MeSH Record

NLM Classification

QV 107

AMA Style

References

  1. National Library of Medicine. Pentoxifylline. Medical Subject Headings (MeSH). 2026. Unique ID D010431. http://id.nlm.nih.gov/mesh/2026/D010431
  2. Pentoxifylline. In: Wikipedia. https://en.wikipedia.org/wiki/Pentoxifylline
  3. Pentoxifylline. In: Wikidata. https://www.wikidata.org/wiki/Q416331
  4. Pentoxifylline. In: PubChem Compound. CID 4740. https://pubchem.ncbi.nlm.nih.gov/compound/4740