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SHEET /m/serotonin · PubChem CID 5202 · CAS 50-67-9 · REV 2026.07

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Serotonin

from source

C10H12N2O · 176.21 g/mol

thrombotonin · thrombocytin · Antemoqua · Hippophaine

What is Serotonin?

A messenger tied to mood and steadiness, and the in-between step your body uses to make the sleep molecule melatonin. from source

CategoryBody
Chemical familyAminesAromaticsPhenols
LeaderboardsBiggest

Fig. 1 · 2D structure RDKit

SMILESC1=CC2=C(C=C1O)C(=CN2)CCN

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

DangerToxicHealth hazardH301, H361from source

Keep roaming

Where Serotonin leads

Found infrom source
Falling asleepeveryday world
Becomesfrom source
Melatonindownstream product
Relatedcomputed
Tryptamine59% similarBoth carry an amine group.5-Hydroxytryptophan56% similarBoth carry a phenol and an amine group.Tyramine38% similarBoth carry a phenol and an amine group.

Compare with

Serotonin vs DopamineSerotonin vs Melatonin

Sources & methodology

PubChem CID
5202
Wikidata
Q167934
Structure
PubChem → RDKit
Similar molecules
MoleculeFinder fingerprint similarity
Everyday relationships
MoleculeFinder editorial curation
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