| Catalpic acid | |
|---|---|
 |
|
| IUPAC name | (9E,11E,13Z)-octadeca-9,11,13-trienoic acid |
| Identifiers | |
| CAS number | 4337-71-7 |
| SMILES |
|
| Properties | |
| Molecular formula | C18H30O2 |
| Molar mass | 302.45 g/mol |
| Appearance | 278.43 |
| Melting point |
44 °C, 317 K, 111 °F |
| 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]