Chemicals and Drugs

Acetaminophen

Analgesic antipyretic derivative of acetanilide. It has weak anti-inflammatory properties and is used as a common analgesic, but may cause liver, blood cell, and kidney damage.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Analgesic antipyretic derivative of acetanilide. It has weak anti-inflammatory properties and is used as a common analgesic, but may cause liver, blood cell, and kidney damage.

Chemical Identity

Chemical Information

Molecular Formula
C8H9NO2
Molecular Weight
151.16 g/mol
CAS Registry No.
103-90-2
IUPAC Name
N-(4-hydroxyphenyl)acetamide
InChIKey
RZVAJINKPMORJF-UHFFFAOYSA-N
SMILES
CC(=O)NC1=CC=C(C=C1)O
MeSH Unique ID
D000082
Source
PubChem CID 1983

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

19 entry terms
  • APAP
  • Acetamidophenol
  • Acetominophen
  • Hydroxyacetanilide
  • N-(4-Hydroxyphenyl)acetanilide
  • N-Acetyl-p-aminophenol
  • Paracetamol
  • p-Acetamidophenol
  • p-Hydroxyacetanilide
  • Acamol
  • Acephen
  • Acetaco
  • Algotropyl
  • Anacin-3
  • Datril
  • Panadol
  • Tylenol
  • Anacin 3
  • Anacin3

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

1965; for ACEPHEN use MECLOFENOXATE 1990-2002

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Acetaminophen. Medical Subject Headings (MeSH). 2026. Unique ID D000082. http://id.nlm.nih.gov/mesh/2026/D000082
  2. Acetaminophen. In: Wikipedia. https://en.wikipedia.org/wiki/Paracetamol
  3. Acetaminophen. In: Wikidata. https://www.wikidata.org/wiki/Q57055
  4. Acetaminophen. In: PubChem Compound. CID 1983. https://pubchem.ncbi.nlm.nih.gov/compound/1983