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SHEET /m/histamine · PubChem CID 774 · CAS 51-45-6 · REV 2026.07

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Histamine

from source

C5H9N3 · 111.15 g/mol

beta-Aminoethylglyoxaline · beta-Aminoethylimidazole · Eramin · Ergamine

What is Histamine?

The molecule your immune cells dump during an allergic reaction, causing the itch, the swelling, and the runny nose that antihistamines are named for. Found in wine, fish, cheese, cured meat, and soy sauce. from source

CategoryBody
Chemical familyAmines
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Fig. 1 · 2D structure RDKit

SMILESC1=C(NC=N1)CCN

Where you'll find it

Curated by MoleculeFinder from source

Toxicity & hazards

DangerToxicIrritantHealth hazardH301, H315, H317, H319, H334, H335from source

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Where Histamine leads

Sources & methodology

PubChem CID
774
Wikidata
Q61233
Structure
PubChem → RDKit
Similar molecules
MoleculeFinder fingerprint similarity
Everyday relationships
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