Stearidonic acid

Stearidonic acid
IUPAC name (6Z,9Z,12Z,15Z)-6,9,12,15-octadecatetraenoic acid
Identifiers
CAS number	20290-75-9 N
PubChem	5312508
ChemSpider	4471933 Y
ChEBI	CHEBI:32389 Y
ChEMBL	CHEMBL484430 Y
Jmol-3D images	Image 1
SMILES O=C(O)CCCC\C=C/C\C=C/C\C=C/C\C=C/CC
InChI InChI=1S/C18H28O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h3-4,6-7,9-10,12-13H,2,5,8,11,14-17H2,1H3,(H,19,20)/b4-3-,7-6-,10-9-,13-12- Y Key: JIWBIWFOSCKQMA-LTKCOYKYSA-N Y InChI=1/C18H28O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h3-4,6-7,9-10,12-13H,2,5,8,11,14-17H2,1H3,(H,19,20)/b4-3-,7-6-,10-9-,13-12- Key: JIWBIWFOSCKQMA-LTKCOYKYBT
Properties
Molecular formula	C18H28O2
Molar mass	276.40 g/mol
N (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

Stearidonic acid (SDA) is an ω-3 fatty acid, sometimes called moroctic acid. It is biosynthesized from alpha-linolenic acid by the enzyme delta-6-desaturase. Natural sources of this fatty acid are the seed oils of hemp, blackcurrant, corn gromwell and echium, and the cyanobacterium Spirulina.

See also

• List of omega-3 fatty acids
• Omega-3 fatty acids
• Essential fatty acids