Catalpic acid

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 yellow catalpa (Catalpa ovata) and southern catalpa (Catalpa bignonioides). Seeds of Catalpa species contain about 40% catalpic acid.[1]

Catalpic acid
Names
Preferred IUPAC name
(9E,11E,13Z)-Octadeca-9,11,13-trienoic acid
Identifiers
3D model (JSmol)
ChemSpider
UNII
  • InChI=1S/C18H30O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h5-10H,2-4,11-17H2,1H3,(H,19,20)/b6-5-,8-7+,10-9+ checkY
    Key: CUXYLFPMQMFGPL-WJTNUVGISA-N checkY
  • InChI=1/C18H30O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h5-10H,2-4,11-17H2,1H3,(H,19,20)/b6-5-,8-7+,10-9+
    Key: CUXYLFPMQMFGPL-WJTNUVGIBJ
  • O=C(O)CCCCCCC/C=C\C=C\C=C/CCCC
Properties
C18H30O2
Molar mass 278.44 g/mol
Melting point 32 °C (90 °F; 305 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

References
  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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