Official EU label nameGlossary entry 20999

PIDOBENZONE

This record confirms an official common ingredient name for EU cosmetic product labelling. It does not by itself confirm that the substance is permitted, unrestricted or safe.

Global evidence snapshot

The resolved identity has matching regulatory evidence in 0 of 13 indexed market datasets: 0 country records and 0 EU Annex records. Every result and evidence gap is listed below.

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Evidence gaps

Resolved identifiers

Resolved substance identity

CAS:138506-45-3

Ingredient index records:

PIDOBENZONE

Cosmetic functions: SKIN CONDITIONING

L-Proline, 5-oxo-, 4-hydroxyphenyl ester

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2 matched or reported names

PIDOBENZONEpidobenzone

Regulatory evidence across markets

None of the 13 markets tracked here holds an imported rule under the name PIDOBENZONE.

That is a statement about this inventory, not about the law: no imported rule is not evidence that a substance is permitted. A rule may exist under a different name, under a CAS or EC number this glossary entry does not carry, or in a dataset not yet imported.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 138506-45-3

CAS 138506-45-3PubChem CID 3047843

Pidobenzone

Pidobenzone is a small molecule drug. The usage of the INN stem '-zone' in the name indicates that Pidobenzone is a anti-inflammatory analgesic, phenylbutazone derivative. Pidobenzone has a monoisotopic molecular weight of 221.07 Da. — DrugBank

IUPAC name: (4-hydroxyphenyl) (2S)-5-oxopyrrolidine-2-carboxylate

Molecular formula: C11H11NO4
Molecular weight: 221.21 g/mol
Exact mass: 221.06880783 Da
XLogP3: 0.8
Topological polar surface area: 75.6 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 4
Covalent units: 1
Defined stereocentres: 1

Also known as

pidobenzonaK5 lipogelX7D2GSX1C1pidobenzonumRefChem:174209L-Proline, 5-oxo-, 4-hydroxyphenyl esterPidobenzone [INN]5-oxo-L-Proline 4-Hydroxyphenyl Ester

10 more reported names

5-Oxo-L-proline,p-hydroxyphenyl esterUNII-X7D2GSX1C1PIDOBENZONE [WHO-DD]4-hydroxyphenyl (2S)-5-oxopyrrolidine-2-carboxylateSDJPNDMWNUPUFI-VIFPVBQESA-N4-Hydroxyphenyl 5-oxo-L-prolinateHY-W7109545-Oxo-L-proline, p-hydroxyphenyl ester4-HYDROXYPHENOL (L)-PYROGLUTAMATEPidobenzone (p-Hydroxyphenyl 5-Oxo-L-Proline Ester)

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External database identifiers

ChEMBL:CHEMBL2106955
EPA DTXSID:DTXSID20160695

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

Additional authoritative substance research

Each link searches that source for this identity. A link is a research route, not a claim that the source holds an exact record. What each source is, and its legal weight

Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal US EPA CompTox CTX APIs

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Official source and scope

Imported from Commission Implementing Decision (EU) 2025/1175 (dataset version EU 2025/1175). The glossary supplies common ingredient names for the ingredient list required by Article 19(1)(g); it is not an approval or safety list.

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