Chemicals and Drugs

Feprazone

A pyrazole that has analgesic, anti-inflammatory, and antipyretic properties. It has been used in mild to moderate pain, fever, and inflammation associated with musculoskeletal and joint disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p15)

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A pyrazole that has analgesic, anti-inflammatory, and antipyretic properties. It has been used in mild to moderate pain, fever, and inflammation associated with musculoskeletal and joint disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p15)

Chemical Identity

Chemical Information

Molecular Formula
C20H20N2O2
Molecular Weight
320.4 g/mol
CAS Registry No.
30748-29-9
IUPAC Name
4-(3-methylbut-2-enyl)-1,2-diphenylpyrazolidine-3,5-dione
InChIKey
RBBWCVQDXDFISW-UHFFFAOYSA-N
SMILES
CC(=CCC1C(=O)N(N(C1=O)C2=CC=CC=C2)C3=CC=CC=C3)C
MeSH Unique ID
D011298
Source
PubChem CID 35455

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

8 entry terms
  • Fenilprenazone
  • Phenylprenazone
  • Prenazone
  • Brotazona
  • DA-2370
  • Zepelin
  • DA 2370
  • DA2370

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

2013(1975)

MeSH Record

Previous Indexing

  • Alkenes (1974)
  • Pyrazoles (1972-1974)
  • Terpenes (1972-1974)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Feprazone. Medical Subject Headings (MeSH). 2026. Unique ID D011298. http://id.nlm.nih.gov/mesh/2026/D011298
  2. Feprazone. In: Wikipedia. https://en.wikipedia.org/wiki/Feprazone
  3. Feprazone. In: Wikidata. https://www.wikidata.org/wiki/Q999936
  4. Feprazone. In: PubChem Compound. CID 35455. https://pubchem.ncbi.nlm.nih.gov/compound/35455