Catalpic acid

Catalpic acid

IUPAC name (9E,11E,13Z)-octadeca-9,11,13-trienoic acid
Identifiers
CAS number	4337-71-7
PubChem	5385589
ChemSpider	4532629^Y
Jmol-3D images	Image 1 Image 2
SMILES O=C(O)CCCCCCC/C=C\C=C\C=C/CCCC O=C(O)CCCCCCC\C=C\C=C\C=C/CCCC
InChI 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+^Y Key: CUXYLFPMQMFGPL-WJTNUVGISA-N^Y 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
Properties
Molecular formula	C₁₈H₃₀O₂
Molar mass	302.45 g/mol
Appearance	278.43
Melting point	44 °C, 317 K, 111 °F
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
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 bignonoides). Seeds of Catalpa species contain about 40% catalpic acid.^[1]

References

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