What other records share CAS 109-19-3?

CAS 109-19-3 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.

InventoryRef 3914602/03/2011

BUTYL ISOVALERATE

Q: How do I check if my formula contains BUTYL ISOVALERATE?

Use the INCI Checker tool on CosIng Checker to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

Butyl 3-methylbutanoate

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

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Inventory details for BUTYL ISOVALERATE

INCI name

BUTYL ISOVALERATE

Description

Butyl 3-methylbutanoate

Annex records for BUTYL ISOVALERATE

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Key data

CAS

109-19-3

203-654-7

Restriction

—

Function

PERFUMING

How BUTYL ISOVALERATE appears in the CosIng inventory

The CosIng inventory lists BUTYL ISOVALERATE 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.

BUTYL ISOVALERATE 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

BUTYL ISOVALERATE 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, BUTYL ISOVALERATE carries the following function designation(s):

PERFUMING

CAS 109-19-3 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.

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Use the INCI Checker tool to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

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Source note for BUTYL ISOVALERATE

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

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Tools & next steps

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