Chemicals and Drugs

Urea

A compound formed in the liver from ammonia produced by the deamination of amino acids. It is the principal end product of protein catabolism and constitutes about one half of the total urinary solids.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A compound formed in the liver from ammonia produced by the deamination of amino acids. It is the principal end product of protein catabolism and constitutes about one half of the total urinary solids.

Chemical Identity

Chemical Information

Molecular Formula
CH4N2O
Molecular Weight
60.056 g/mol
CAS Registry No.
57-13-6
IUPAC Name
urea
InChIKey
XSQUKJJJFZCRTK-UHFFFAOYSA-N
SMILES
C(=O)(N)N
MeSH Unique ID
D014508
Source
PubChem CID 1176

MeSH Record

Classification

Related Concepts

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MeSH Record

See Also

MeSH Record

Synonyms

3 entry terms
  • Carbamide
  • Basodexan
  • Carmol

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 Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Urea. Medical Subject Headings (MeSH). 2026. Unique ID D014508. http://id.nlm.nih.gov/mesh/2026/D014508
  2. Urea. In: Wikipedia. https://en.wikipedia.org/wiki/Urea
  3. Urea. In: Wikidata. https://www.wikidata.org/wiki/Q48318
  4. Urea. In: PubChem Compound. CID 1176. https://pubchem.ncbi.nlm.nih.gov/compound/1176