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SHEET /m/azelaic-acid · PubChem CID 2266 · CAS 123-99-9 · REV 2026.07

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Azelaic acid

from source

C9H16O4 · 188.22 g/mol

Azelate · Polyazelaic anhydride · Nonanedioate · Heptanedicarboxylic acid

What is Azelaic acid?

A skin medicine sold as Finacea and Skinoren, used for rosacea and acne. It occurs naturally in wheat, rye and barley, and at lower strength in skincare. from source

Chemical familyCarboxylic Acids
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Fig. 1 · 2D structure RDKit

SMILESC(CCCC(=O)O)CCCC(=O)O

Where you'll find it

Dispensed on prescription, not sold on a shelf. See the rest of the prescription medicine group.

Relative acute toxicity from source

Animal study data · LD50

Reported LD50
5,000 mg/kg · very low toxicity
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

5,000 mg/kg · very low toxicity · LD50 rat oral from source

WarningIrritantH315, H319from source

Keep roaming

Where Azelaic acid leads

Sources & methodology

PubChem CID
2266
Wikidata
Q413504
Structure
PubChem → RDKit
LD50
PubChem
Similar molecules
MoleculeFinder fingerprint similarity
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