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Annex II Entry 252 15/10/2010

Furazolidone (INN)

Furazolidone (INN) is listed in Annex II as a prohibited substance for cosmetic products placed on the EU market.

Prohibited substance— Annex II, EU Regulation 1223/2009
Entry: 252

Chemical identity and properties

PubChem 2D chemical structure for CAS 67-45-8
CAS 67-45-8PubChem CID 5323714

Furazolidone

Furazolidone is a member of the class of oxazolidines that is 1,3-oxazolidin-2-one in which the hydrogen attached to the nitrogen is replaced by an N-{[(5-nitro-2-furyl)methylene]amino} group. It has antibacterial and antiprotozoal properties, and is used in the treatment of giardiasis and cholera. It has a role as an antiinfective agent, an antibacterial drug, an EC 1.4.3.4 (monoamine oxidase) inhibitor and an antitrichomonal drug. It is a member of oxazolidines and a nitrofuran antibiotic. ChEBI

IUPAC name
3-[(E)-(5-nitrofuran-2-yl)methylideneamino]-1,3-oxazolidin-2-one
Molecular formula
C8H7N3O5
Molecular weight
225.16 g/mol
Exact mass
225.03857033 Da
XLogP3
-0.1
Topological polar surface area
101.0 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
6
Covalent units
1
Defined stereocentres
0

Also known as

FuroxoneNitrofurazolidoneFurazolidineNitrofuroxonDiafuronFurazolFuridonNeftin
16 more reported names
FuraxoneFurazolidonFuroxaneNifulidoneFurazonFuroxonGiarlamNitrofurazolidonumFurozolidineNifurazolidoneTikofuranTrichofuronTricofuronCoryziumFuraxonFuroxal
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Record details

Chemical name

Furazolidone (INN)

Chemical / IUPAC name

2-Oxazolidinone, 3-((5-nitrofurfurylidene)amino)-

Regulatory information

Regulation

(EC) 2009/1223

See every entry this act set

Key data

Annex
Entry number
252

Direct matches are limited for this record, so nearby entries from Annex II are shown as well.

Annex II 249
Nearby record in the same annex

Nitrobenzene

CAS: 98-95-3
EC: 202-716-0
Annex II 247
Nearby record in the same annex

Amyl nitrites

CAS: 110-46-3
EC: 203-770-8

What Annex II means for Furazolidone (INN)

Furazolidone (INN) is listed as a prohibited substance under Annex II of EU Cosmetics Regulation 1223/2009 and must not be intentionally added. Article 17 separately addresses unintended small quantities that are technically unavoidable under good manufacturing practice and compatible with the Article 3 safety requirement.

Formulators must screen their ingredients and raw materials to ensure none contain this substance. Suppliers should provide documentation confirming absence when requested.

The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.

Compliance checklist

  • Verify this substance is absent from all raw materials and finished formulations.
  • Request absence confirmation or CoA from raw material suppliers.
  • Document the screening result in the Product Information File (PIF).

Frequently asked questions

Yes. Furazolidone (INN) is listed in Annex II of EU Cosmetics Regulation 1223/2009 and is prohibited as an intentionally added cosmetic ingredient. Article 17 provides a narrow exception for unintended small quantities that are technically unavoidable under good manufacturing practice, provided the product remains safe under Article 3.

CAS 67-45-8 is the unique numerical identifier assigned to Furazolidone (INN) by the Chemical Abstracts Service. In cosmetic compliance work, the CAS number is used to cross-reference the substance across regulatory databases, raw material specifications and safety assessment reports. Multiple EU annex entries may share the same CAS number if the same substance appears under different conditions or in different annexes.

Use the INCI Checker tool on this site to paste your full ingredient list (INCI) and scan it against all Annex II–VI entries. The tool highlights any ingredients that match restricted, prohibited or allergen-flagged records. This is useful for rapid compliance screening of finished product formulas or raw material declarations.

Source note for Annex II record Furazolidone (INN)

This page summarizes one Annex II record for Furazolidone (INN) from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.

Use this record page to review Annex II conditions for Furazolidone (INN), but confirm any final regulatory decision against the current official annex wording and source files.

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