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Stemone

(NE)-N-(5-methylheptan-3-ylidene)hydroxylamine

Stemone

Oxime · Oxime · C₈H₁₇NO

Chemical structure of Stemone
2D structure PubChem / NCI CIR

Chemical info

CAS number CAS
22457-23-4
Molecular formula
C₈H₁₇NO
Molecular weight
143.23 g/mol
Origin
Synthetic
Odor family
Xanh Green
Note
Top
Aroma
Fig leaf and blackcurrant leaf, green and slightly fruity.

History

Stemone is Givaudan's trade name for the oxime of 5-methyl-3-heptanone. Oximes are rare among fragrance materials.

In perfumery

Used in fig leaf, cassis and natural green accords.

Connections

EvokesFig leaf, Blackcurrant leaf

Regulatory status

No specific limit
IFRA 51
No dedicated IFRA Standard in the IFRA library as of Amendment 51.
EU CosReg
No specific entry in Annex II or III of Regulation (EC) 1223/2009.
EU allergen 2023/1545
Not on the list of fragrance allergens requiring labelling, including after Regulation (EU) 2023/1545.

Sources

  1. NCI/CADD Chemical Identifier Resolver, CAS 22457-23-4
  2. IFRA Standards Library, Amendments up to 51
  3. Regulation (EC) No 1223/2009, consolidated text of 18.05.2026, Annexes II and III