SHEET /m/quercetin · PubChem CID 5280343 · CAS 117-39-5 · REV 2026.07
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Quercetin
from sourceC15H10O7 · 302.23 g/mol
xanthaurine · Flavin meletin · Meletin · Quertine
What is Quercetin?
A flavonoid pigment in onion skins, capers, and apple peel, and one of the most common polyphenols in an ordinary diet. Found in tea, wine, fruit, and leafy greens. from source
CategoryPlant
Fig. 1 · 2D structure RDKit
SMILES
C1=CC(=C(C=C1C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)O)O)OWhere you'll find it
Teawhat else is in it →Winewhat else is in it →Fruitwhat else is in it →Leafy greenswhat else is in it →
Curated by MoleculeFinder from source
Relative acute toxicity from source
Animal study data · LD50
- Reported LD50
- 161 mg/kg · moderately toxic
- 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
161 mg/kg · moderately toxic · LD50 rat oral from source
3 more reported values
- 160 mg/kgLD50 · oral · mouse
- 18 mg/kgLD50 · iv · mouse
- 100 mg/kgLD50 · other · mouse
DangerToxicH301from source
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