Catalpic acid

Catalpic acid
IUPAC name
(9E,11E,13Z)-octadeca-9,11,13-trienoic acid
4337-71-7 YesY
3D model (Jmol) Interactive image
ChemSpider 4532629 YesY
PubChem 5385589
Molar mass 302.45 g/mol
Appearance 278.43
Melting point 44 °C (111 °F; 317 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Catalpic acid is a conjugated polyunsaturated fatty acid. The melting point of this fatty acid is 32 °C. Catalpic acid occurs naturally in the seeds of Catalpa ovata and Southern Catalpa (Catalpa bignonioides). Seeds of Catalpa species contain about 40% catalpic acid.[1]


  1. Gunstone, F.D et al. (2007). The Lipid Handbook with CD-ROM, Boca Raton: CRC Press. ISBN 0-8493-9688-3
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