TEPRENONE
5,9,13,17-Nonadecatetraen-2-one 6,10, 14, 18-Tetramethyl
TEPRENONE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.
Regulatory evidence by market
No rule for this ingredient has been imported for any of the 13 markets tracked here.
That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.
Chemical identity and properties

Teprenone
Teprenone is a terpene ketone in which a (9E,13E)-geranylgernayl group is bonded to one of the alpha-methyls of acetone (it is a mixture of 5E- and 5Z-geoisomers in a 3:2 ratio). It has a role as an anti-ulcer drug, a hepatoprotective agent, a neuroprotective agent, a nephroprotective agent, a cardioprotective agent and a Hsp70 inducer. It is a terpene ketone and a methyl ketone. It contains a geranylgeranyl group. — ChEBI
- IUPAC name
- (5E,9E,13E)-6,10,14,18-tetramethylnonadeca-5,9,13,17-tetraen-2-one
- Molecular formula
- C23H38O
- Molecular weight
- 330.5 g/mol
- Exact mass
- 330.292265831 Da
- XLogP3
- 7.4
- Topological polar surface area
- 17.1 Ų
- Hydrogen-bond donors
- 0
- Hydrogen-bond acceptors
- 1
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
16 more reported names
External database identifiers
- ChEBI:CHEBI:31649
- EPA DTXSID:DTXSID901166719
- PubMed:37307957
- PubMed:34732784
- PubMed:21232033
- PubMed:20226206
- PubMed:17189318
- PubMed:16324314
- PubMed:15340226
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Inventory details for TEPRENONE
INCI name
TEPRENONE
INN name
Teprenone [INN]
Description
5,9,13,17-Nonadecatetraen-2-one 6,10, 14, 18-Tetramethyl
Record provenance
- Inventory reference
- 83492
- Imported identity
- TEPRENONE
- Source update
- 15/10/2010
Annex records for TEPRENONE
Key data
Official EU ingredient-name evidence
The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.
Related inventory evidence
Ingredients with overlapping formulation functions
Additional official and scientific sources
11 external databases to check this identity in
Each link searches that source for this identity. What each source is, and its legal weight
How TEPRENONE appears in the CosIng inventory
The CosIng inventory lists TEPRENONE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.
TEPRENONE is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.
Frequently asked questions
Source note for TEPRENONE
This page reproduces the CosIng inventory entry for TEPRENONE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.
Use this inventory page to research TEPRENONE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.
Tools & next steps
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