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SHEET /m/allantoin · PubChem CID 204 · CAS 97-59-6 · REV 2026.07

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Allantoin

from source

C4H6N4O3 · 158.12 g/mol

Psoralon · Alloxantin · Alantan · Glyoxylic diureide

What is Allantoin?

A soothing compound in comfrey root and snail mucin, added to skin creams. Most mammals except humans make it from uric acid. from source

CategoryBody
Chemical familyAmides
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Fig. 1 · 2D structure RDKit

SMILESC1(C(=O)NC(=O)N1)NC(=O)N

Where you'll find it

Your own body makes this one. It is not an ingredient you buy. See the rest of the body group.

Toxicity & hazards

WarningIrritantH302from source

Sources & methodology

PubChem CID
204
Wikidata
Q409804
Structure
PubChem → RDKit
Data refreshed

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