What other records share CAS 22047-25-2?

CAS 22047-25-2 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

How do I check if my formula contains METHYL PYRAZINYL KETONE?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 4080402/03/2011

METHYL PYRAZINYL KETONE

Pyrazinylethan-1-one

METHYL PYRAZINYL KETONE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

INCI Checker Compare all markets Search similar

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.

Markets and their official sources Search every market for this name

Chemical identity and properties

PubChem 2D chemical structure for CAS 22047-25-2

CAS 22047-25-2PubChem CID 30914

Acetylpyrazine

2-acetylpyrazine is a pyrazine that is substituted by an acetyl group at position 2. It has been identified as one of the volatile flavor constituents in popcorn, bread crust, vinegar, and potato snacks. It has a role as a flavouring agent. It is a member of pyrazines and an aromatic ketone. — ChEBI

IUPAC name: 1-pyrazin-2-ylethanone

Molecular formula: C6H6N2O
Molecular weight: 122.12 g/mol
Exact mass: 122.048012819 Da
XLogP3: 0.2
Topological polar surface area: 42.9 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

2-ACETYLPYRAZINEEthanone, 1-pyrazinyl-1-(pyrazin-2-yl)ethan-1-one1-PyrazinylethanonePyrazin-1-ylethan-1-oneEthanone, l-pyrazinyl-FEMA No. 3126GR391IBU5C

16 more reported names

NSC-72374CHEBI:145236RefChem:85006244-753-5Methyl pyrazinyl ketone1-(pyrazin-2-yl)ethanoneKetone, methyl pyrazinylEthanone, 1-(2-pyrazinyl)-1-(2-Pyrazinyl)ethanone1-pyrazin-2-yl-ethanonePyrazine der.1-Pyrazin-2-ylethan-1-oneAcetylpyrazine, 97%1-(2-pyrazinyl)-ethanoneCS-W007692PS-5458

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:145236
ChEMBL:CHEMBL3188662
EPA DTXSID:DTXSID5047085
PubMed:22807728
PubMed:22611347
PubMed:22219796
PubMed:22091124
PubMed:21754211
PubMed:21202963
PubMed:21202899
PubMed:21200971
PubMed:18698850
PubMed:18511338
PubMed:18159922
PubMed:16076130

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 METHYL PYRAZINYL KETONE

INCI name

METHYL PYRAZINYL KETONE

Description

Pyrazinylethan-1-one

Record provenance

Inventory reference: 40804
Imported identity: METHYL PYRAZINYL KETONE
Source update: 02/03/2011

European Commission CosIng source notes

Annex records for METHYL PYRAZINYL KETONE

Browse

Browse EU annexes

Explore Annex II–VI to see which substances are prohibited, restricted or permitted under specific conditions.

Search annex entries

Search the annex database for entries matching METHYL PYRAZINYL KETONE or related substances.

Key data

CAS

22047-25-2

244-753-5

Restriction

—

Function

PERFUMING: Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

METHYL PHENYLMETHYLENEAMINOBENZOATEPERFUMING

METHYL PHENYLPROPIONATEPERFUMING

METHYL PROPIONATEPERFUMING

METHYL PROPYL DIKETONEPERFUMING

METHYL ROSINATEFILM FORMING, PERFUMING, SKIN CONDITIONING

METHYL SALICYLATEDENATURANT, FLAVOURING, ORAL CARE, PERFUMING, SOOTHING

METHYL TETRAHYDROAZEPINYL ETHERPERFUMING

METHYL THIAZOLYL KETONEPERFUMING

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

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox 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

How METHYL PYRAZINYL KETONE appears in the CosIng inventory

The CosIng inventory lists METHYL PYRAZINYL KETONE 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.

METHYL PYRAZINYL KETONE 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

METHYL PYRAZINYL KETONE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, METHYL PYRAZINYL KETONE carries the following function designation(s):

PERFUMING

CAS 22047-25-2 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

View CAS records

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

Open INCI Checker

Source note for METHYL PYRAZINYL KETONE

This page reproduces the CosIng inventory entry for METHYL PYRAZINYL KETONE 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 METHYL PYRAZINYL KETONE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

View sources View updates

Tools & next steps

Check your formula

Scan a full INCI list to detect METHYL PYRAZINYL KETONE and any linked EU annex restrictions or allergen flags.

INCI Checker

Search similar ingredients

Find other inventory ingredients and annex entries related to METHYL PYRAZINYL KETONE, its identifiers or nearby name variants.