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4-Methyloctanoic acid

4-Methyloctanoic acid

Branched fatty acid · C₉H₁₈O₂

Chemical structure of 4-Methyloctanoic acid
2D structure PubChem / NCI CIR

Chemical info

CAS number CAS
54947-74-9
Molecular formula
C₉H₁₈O₂
Molecular weight
158.24 g/mol
Origin
Nature-identical
Odor family
Animalic
Note
Base
Aroma
Goaty, mutton-like, animal fat and waxy.

History

4-Methyloctanoic acid is one of the branched fatty acids responsible for the characteristic odor of goat and mutton meat.

In perfumery

It is used in traces in animal and skin accords, as well as in flavors.

Regulatory status

Unrestricted · No IFRA standard
IFRA 51
No dedicated IFRA Standard in the 51st Amendment index.
EU allergen 2023/1545
Not named individually in the expanded allergen list of Regulation 2023/1545.

Sources

  1. Wikidata Q27261272 (CAS 54947-74-9, formula; data mirrored from PubChem)
  2. Sell C.S. (ed.) The Chemistry of Fragrances: From Perfumer to Consumer, 2nd ed., Royal Society of Chemistry 2006
  3. The Good Scents Company Information System, material entries
  4. IFRA Standards, 51st Amendment: Index of IFRA Standards (notified 30 June 2023)