SHEET /m/chlorogenic-acid · PubChem CID 1794427 · CAS 327-97-9 · REV 2026.07

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Chlorogenic acid

from source

C16H18O9 · 354.31 g/mol

Caffeoyl quinic acid · Hlorogenate · Chlorogenate · Heriguard

What is Chlorogenic acid?

A big part of coffee's tang and brown color, and one of the most abundant antioxidants in a typical cup. Found in coffee. from source

CategoryPlant

Chemical familyAlcohols Carboxylic Acids Aromatics Esters Phenols

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Fig. 1 · 2D structure RDKit

SMILESC1[C@H]([C@H]([C@@H](C[C@@]1(C(=O)O)O)OC(=O)/C=C/C2=CC(=C(C=C2)O)O)O)O

Where you'll find it

Coffeewhat else is in it →

Curated by MoleculeFinder from source

Toxicity & hazards

WarningIrritantH315, H319, H335from source

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Where Chlorogenic acid leads

Found infrom source

Morning coffeeeveryday world

Relatedcomputed

Caffeic acid44% similarBoth carry a phenol and a carboxylic acid group.

Sources & methodology

PubChem CID: 1794427
Wikidata: Q421964
Structure: PubChem → RDKit
Similar molecules: MoleculeFinder fingerprint similarity
Everyday relationships: MoleculeFinder editorial curation
Data refreshed: October 19, 2026

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