Chemicals and Drugs

Orlistat

A lactone derivative of LEUCINE that acts as a pancreatic lipase inhibitor to limit the absorption of dietary fat; it is used in the management of obesity.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A lactone derivative of LEUCINE that acts as a pancreatic lipase inhibitor to limit the absorption of dietary fat; it is used in the management of obesity.

Chemical Identity

Chemical Information

Molecular Formula
C29H53NO5
Molecular Weight
495.7 g/mol
CAS Registry No.
96829-58-2
IUPAC Name
[(2S)-1-[(2S,3S)-3-hexyl-4-oxooxetan-2-yl]tridecan-2-yl] (2S)-2-formamido-4-methylpentanoate
InChIKey
AHLBNYSZXLDEJQ-FWEHEUNISA-N
SMILES
CCCCCCCCCCC[C@@H](C[C@H]1[C@@H](C(=O)O1)CCCCCC)OC(=O)[C@H](CC(C)C)NC=O
MeSH Unique ID
D000077403
Source
PubChem CID 3034010

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

8 entry terms
  • THLP
  • Tetrahydrolipastatin
  • Tetrahydrolipstatin
  • 1-((3-Hexyl-4-oxo-2-oxetanyl)methyl)dodecyl-2-formamido-4-methylvalerate
  • Alli
  • Ro-18-0647
  • Xenical
  • Ro 18 0647

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

2019 (1988)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Orlistat. Medical Subject Headings (MeSH). 2026. Unique ID D000077403. http://id.nlm.nih.gov/mesh/2026/D000077403
  2. Orlistat. In: Wikipedia. https://en.wikipedia.org/wiki/Orlistat
  3. Orlistat. In: Wikidata. https://www.wikidata.org/wiki/Q424163
  4. Orlistat. In: PubChem Compound. CID 3034010. https://pubchem.ncbi.nlm.nih.gov/compound/3034010