Flavor ingredient regulatory record

Isobutyl N-methylanthranilate

Isobutyl N-methylanthranilate is an ester in the fruity family, FEMA GRAS under FEMA number 4149 (CAS 65505-24-0). Its odor is sweet, fruity, grape, floral, berry.

FEMA
4149
CAS
65505-24-0
JECFA
1548
EU FL
09.769
Formula
C12H17NO2
EC
265-798-7

GRAS status: FEMA GRAS, publication 22. Recorded by FDA in the Substances Added to Food inventory under CAS 65505-24-0.

Structure

2D structure of Isobutyl N-methylanthranilate
Structure of Isobutyl N-methylanthranilate, C12H17NO2. Drawn from the canonical SMILES.

Identity

IUPAC name 2-methylpropyl 2-(methylamino)benzoate
CAS number 65505-24-0
FEMA number 4149
Molecular formula C12H17NO2
Molecular weight 207.27 g/mol
SMILES CNc1ccccc1C(=O)OCC(C)C
InChIKey WKYZGTHZBSYUFI-UHFFFAOYSA-N
PubChem CID 522171
EC number 265-798-7
FDA UNII IO2PZH1T3A
EPA DTXSID DTXSID80867158
Chemical class Ester
Flash point 135 °C

Also known as: Benzoic acid, 2-(methylamino)-, 2-methylpropyl ester, 2-Methylpropyl 2-(methylamino)benzoate, isobutyl 2-(methylamino)benzoate, 2-methylpropyl 2-(methylamino)benzoate, benzoic acid, 2-(methylamino)-, 2-methylpropyl ester, isobutyl methyl anthranilate, isobutyl 2-n-methylaminobenzoate, 2-methylpropyl 2-n-methylaminobenzoate, iso-butyl n-methyl anthranilate, isobutyl2-(methylamino)benzoate, isobutyl 2-(methylamino)benzoate #, ds-18209.

Can Isobutyl N-methylanthranilate be labeled natural?

Nature makes Isobutyl N-methylanthranilate, which is why the US label turns on process. A natural route gives natural flavor; synthesis gives artificial Isobutyl N-methylanthranilate, same molecule. The EU and UK follow the same logic without a middle class; Mercosur and Mexico label synthetic Isobutyl N-methylanthranilate identical-to-natural.

United States
Natural or artificial, by process
European Union and UK
Natural only from natural material
Mercosur and Mexico
Natural or identical-to-natural

How each market defines the classes: natural vs artificial flavor under 21 CFR 101.22.

Regulatory status, with citations

United States

Isobutyl N-methylanthranilate is FEMA GRAS under FEMA number 4149. It is cited in the Code of Federal Regulations at 21 CFR 172.515.

21 CFR 172.515

European Union and United Kingdom

Listed on the Union List of flavouring substances as FL 09.769, Annex I Part A under Regulation (EC) 1334/2008, evaluation status approved (EFSA). The UK retains the same list.

JECFA (WHO / FAO)

JECFA number 1548, evaluated at the 65th meeting in 2005. No safety concern at current levels of intake when used as a flavouring agent.

JECFA monograph

Other US flags

Not on the California Proposition 65 list.

TSCA Inventory status

A flavor ingredient is also an industrial chemical. Isobutyl N-methylanthranilate appears on the EPA Toxic Substances Control Act Chemical Substance Inventory under CAS 65505-24-0, where EPA names it Benzoic acid, 2-(methylamino)-, 2-methylpropyl ester.

Active in US commerce

EPA designates this substance active, so no Notice of Activity Form B is required before manufacturing. What active and inactive mean.

EPA publishes no regulatory flags on this listing. What the flags mean.

From the EPA non-confidential TSCA Inventory, July 2026 release. EPA also maintains a confidential portion it does not publish. Search the Inventory by CAS number.

Odor and taste

Odor: Sweet, fruity, grape, floral, berry.

Where it is used

Isobutyl N-methylanthranilate is used in beverage, confection, fruit flavors, flavoring agents and candies, typically as a fruity note.

Structurally similar flavor ingredients

Flavor ingredients with a GRAS determination closest to Isobutyl N-methylanthranilate by structure. Whether one can replace it is a sensory and regulatory call; the reformulation tool works that through.

More esters in this index

Heptyl octanoate · Dodecyl butyrate · Ethyl p-anisate · Diethyl succinate · Lactylated fatty acid esters of glycerol and propylene glycol · Ethyl phenylacetate

Isobutyl N-methylanthranilate FAQ

Is Isobutyl N-methylanthranilate FEMA GRAS?

Yes. The FEMA Expert Panel lists Isobutyl N-methylanthranilate as GRAS under FEMA number 4149. The Code of Federal Regulations lists it at 21 CFR 172.515.

What are the FEMA and CAS numbers for Isobutyl N-methylanthranilate?

Isobutyl N-methylanthranilate is FEMA 4149, CAS 65505-24-0. Its flavor category is fruity.

How is Isobutyl N-methylanthranilate described, and where does it show up?

Flavorists describe Isobutyl N-methylanthranilate as sweet, fruity, grape, floral, berry. It is used in beverage, confection, fruit flavors, flavoring agents and candies.

What did JECFA conclude about Isobutyl N-methylanthranilate?

JECFA evaluated Isobutyl N-methylanthranilate at the 65th meeting in 2005 under JECFA number 1548. The panel concluded: No safety concern at current levels of intake when used as a flavouring agent.

Is Isobutyl N-methylanthranilate on the EU Union List?

Yes. FL 09.769 is the Union List entry for Isobutyl N-methylanthranilate, annex I Part A, under Regulation 1334/2008, and the UK keeps the same list.

Does Isobutyl N-methylanthranilate count as natural in the US and the EU?

The process decides for Isobutyl N-methylanthranilate. It occurs in nature, so a natural-source, natural-process material is natural flavor in the US and synthetic Isobutyl N-methylanthranilate is artificial. The EU and UK follow the same logic without a middle class; Mercosur and Mexico label synthetic Isobutyl N-methylanthranilate identical-to-natural.

Ingredient lookup

Check an ingredient

Start typing to search the ingredient corpus.

Or browse every ingredient page, A to Z.

Guides: What Is FEMA GRAS? · Natural vs artificial · Filing a GRAS notification

Check Isobutyl N-methylanthranilate in a formula

Screened against FEMA GRAS, 21 CFR and EU rules as you build. Free to start.

Sources and attribution. The identity and regulatory facts on this page are taken from the FDA Substances Added to Food inventory, a US government record, which lists this substance as ISOBUTYL N-METHYLANTHRANILATE under CAS 65505-24-0 and carries its FEMA number, its JECFA flavor number. The inventory is searchable at FDA. FDA records its technical effect as flavoring agent or adjuvant.

A FEMA GRAS conclusion is reached by the Expert Panel of the Flavor and Extract Manufacturers Association of the United States, and the FEMA number names that conclusion. FEMA publishes its own entry for this substance in the FEMA Flavor Library, which is the authoritative record of what the Panel decided and is worth reading alongside this page.

Ambrose Compliance is not affiliated with, endorsed by, or sponsored by FEMA. FEMA and FEMA GRAS are used here as identifiers for a published regulatory determination, not as marks of any relationship between FEMA and Ambrose.

About this page. Facts come from the FDA Substances Added to Food inventory, the Code of Federal Regulations, the EPA TSCA Inventory, the EU Union List, JECFA and the Ambrose database, with FEMA's published determination cited where it applies; parts of the text are written by Ambrose AI, which can make mistakes. Check the cited source before relying on anything here. This is not regulatory or legal advice.