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Nepetalic acid

2-Methyl-5(1-methyl-2-oxoethyl)-cyclopentanecarboxylic acid

2-Carboxy-α,3-dimethylcyclopentylethanal

Monocyclic monoterpenoid aldehyde carboxylic acid · C₁₀H₁₆O₃

Chemical structure of Nepetalic acid
2D structure PubChem / NCI CIR

Chemical info

CAS number CAS
21651-54-7
Molecular formula
C₁₀H₁₆O₃
Molecular weight
184.23 g/mol
Aroma
Fresh herbal, slightly acidic. A metabolic byproduct of nepetalactone.

Safety

Limited data · Single oil source

Nepetalic acid is a monoterpenoid carboxylic acid related to nepetalactone, occurring primarily in catnip.

Acute toxicity. Mouse ip LD50 is 1.05 g/kg, isomer not specified.

No published data on skin reactions or other toxicity.

Usage guidelines

Concern level
Limited data

Found in essential oils

Principal sources
Catnip1.2 – 43 %

Notes

Nepetalic acid is a hydrolysis or oxidation product of nepetalactone. It serves as an analytical byproduct in catnip studies.