Stearidonic acid

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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 (77 °F), 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^[1] and echium, and the cyanobacterium Spirulina.

References

v t e Lipids: fatty acids

Saturated	VFA: Acetic (C2) Propionic acid (C3) Butyric (C4) Valeric (C5) Caproic (C6) Enanthic (C7) Caprylic (C8) Pelargonic (C9) Capric (C10) Undecylic (C11) Lauric (C12) Tridecylic (C13) Myristic (C14) Pentadecanoic (C15) Palmitic (C16) Margaric (C17) Stearic (C18) Nonadecylic (C19) Arachidic (C20) Heneicosylic (C21) Behenic (C22) Tricosylic (C23) Lignoceric (C24) Pentacosylic (C25) Cerotic (C26) Heptacosylic (C27) Montanic (C28) Nonacosylic (C29) Melissic (C30) Hentriacontylic (C31) Lacceroic (C32) Psyllic (C33) Geddic (C34) Ceroplastic (C35) Hexatriacontylic (C36)

ω−3 Unsaturated	α-Linolenic (18:3) Stearidonic (18:4) Eicosapentaenoic (20:5) Docosahexaenoic (22:6)

ω−6 Unsaturated	Linoleic (18:2) γ-Linolenic (18:3) Dihomo-γ-linolenic (20:3) Arachidonic (20:4) Adrenic (22:4)

ω-7 Unsaturated	Palmitoleic (16:1) Vaccenic (18:1) Paullinic (20:1)

ω−9 Unsaturated	Oleic (18:1) Elaidic (trans-18:1) Gondoic (20:1) Erucic (22:1) Nervonic (24:1) Mead (20:3)

Biochemical families: carbohydrates alcohols glycoproteins glycosides lipids eicosanoids fatty acids / intermediates phospholipids sphingolipids steroids nucleic acids constituents / intermediates proteins Amino acids / intermediates tetrapyrroles / intermediates

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