Urea

from source

CH4N2O · 60.056 g/mol

carbamide · carbonic acid diamide · carbonyl amide · carbonyl diamide

What is Urea?

The body's way of packaging nitrogen for disposal in urine. Its 1828 synthesis from inorganic salts was the first proof that life's molecules obey ordinary chemistry. from source

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Fig. 1 · 2D structure RDKit

SMILESC(=O)(N)N

Where you'll find it

Skincarewhat else is in it →

Curated by MoleculeFinder from source

Relative acute toxicity from source

Animal study data · LD50

Reported LD50: 8,471 mg/kg · very low toxicity
Species: rat
Route: oral

An LD50 describes acute toxicity under experimental conditions and is not a safe or dangerous dose for a person.

Toxicity & hazards

Toxicity · LD50

8,471 mg/kg · very low toxicity · LD50 rat oral from source

1 more reported value

8,200 mg/kgLD50 · other · rat

Keep roaming

Where Urea leads

Compare with

Urea vs Uric acid

Sources & methodology

PubChem CID: 1176
Wikidata: Q48318
Structure: PubChem → RDKit
LD50: PubChem
Similar molecules: MoleculeFinder fingerprint similarity
Everyday relationships: MoleculeFinder editorial curation
Data refreshed: October 19, 2026

How MoleculeFinder sources and labels its data