Basic information
- Standard SMILES
CC/C=C\C/C=C\C/C=C\C/C=C\CCCCC(=O)O- InChIKey
JIWBIWFOSCKQMA-LTKCOYKYSA-N- Molecular formula
- C18H28O2
- Average molar mass
- 276.4 g/mol
- Monoisotopic mass
- 276.20893014
Overview
All-cis-octadeca-6,9,12,15-tetraenoic acid is an octadecatetraenoic acid having four double bonds located at positions 6, 9, 12 and 15 (the all-cis-isomer). It has been isolated from Lithospermum officinale and fish oils. It has a role as a mouse metabolite, a plant metabolite and a Daphnia galeata metabolite. It is a long-chain fatty acid, an omega-3 fatty acid and an octadecatetraenoic acid. It is a conjugate acid of a (6Z,9Z,12Z,15Z)-octadecatetraenoate.
Names & identifiers
- Preferred name
- Stearidonic Acid
- IUPAC
- (6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoic acid
- English name
- STEARIDONIC ACID
- Molecular formula
- C18H28O2
- Molecular weight
- 276.41
Names & synonyms
Show more names
Database identifiers
- CAS
20290-75-9- PubChem CID
- 5312508
- DTXSID
DTXSID20920493- ChEMBL
CHEMBL484430- ChEBI
CHEBI:32389- UNII
- P4CEK3495O
- EC Number
- 606-502-1
- Nikkaji
- J381.480G
Properties
Computed structural properties
- XLogP
- 5.2
- Topological polar surface area
- 37.3 Ų
- Hydrogen bond donors
- 1
- Hydrogen bond acceptors
- 2
- Rotatable bonds
- 12
- Heavy atoms
- 20
- Formal charge
- 0
- Complexity
- 335
Experimental & physicochemical properties
Lipids
Lipids -> Unambiguous Lipids
Fatty Acyls [FA] -> Fatty Acids and Conjugates [FA01] -> Unsaturated fatty acids [FA0103]
Physicochemical properties
- Melting point
- 200 ℃ · 200℃ (decomposition)
- Boiling point
- 382.5 · 382.5±11.0 °C(Predicted)
- Density
- 0.9334 g/cm3 · 0.9334 g/cm3 (15 ºC)
- refractive index
- 1.493 · 1.4930 (589.3 nm 15℃)
- Flash point
- 17 °C · 17 °C
- storage temp.
- -20 °C · -20°C
- solubility
- Chloroform (Slightly)
- form
- liquid
- pka
- 4.74 · 4.74±0.10(Predicted)
- color
- Clear Colorless to Light Yellow
- Stability
- Light Sensitive
- 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-
- InChIKey
- JIWBIWFOSCKQMA-LTKCOYKYSA-N
- SMILES
- CC\C=C/C\C=C/C\C=C/C\C=C/CCCCC(O)=O
- LogP
- 5.89 · 5.890 (est)
- FDA UNII
- 4 CEK3495O · P4CEK3495O
- UNSPSC Code
- 12352211 · 12352211
- NACRES
- 25 · NA.25
- Symbol(GHS)
- 2 · GHS02
- Signal word
- Danger
- Hazard statements
- 225 · H225
- Precautionary statements
- 210 · P210-P233-P240-P241-P242-P243-P280-P303+P361+P353-P370+P378-P403+P235-P501
- Hazard Codes
- F
- Risk Statements
- 11 · 11
- Safety Statements
- 7 · 7-16
- RIDADR
- 1170 · UN 1170 3/PG 2
- WGK Germany
- 3 · 3
- Storage Class
- 10 · 10 - Combustible liquids
Safety & regulation
Safety data
- wgk
- 3
- ridadr
- UN 1170 3/PG 2
- risk_code
- 11
- Signal word
- Danger
- Symbol(GHS)
- GHS02
- hazard_code
- F
- safety_code
- 7-16
- Storage Class
- 10 - Combustible liquids
- Hazard statements
- H225
- Precautionary statements
- P210-P233-P240-P241-P242-P243-P280-P303+P361+P353-P370+P378-P403+P235-P501
Chemistry & industry
Pharmacology
Applications
DescriptionStearidonic 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.
UsesStearidonic Acid onic acid is present in small amounts in seed oils.
UsesA 18-carbon, ω-3 fatty acid which is a dietary precursor to eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). Stearidonic acid is present in small amounts in seed oils.
Suppliers44 total
Additional notes
DefinitionChEBI: An octadecatetraenoic acid having four double bonds located at positions 6, 9, 12 and 15 (the all-cis-isomer). It has been isolated from Lithospermum officinale and fish oils.
Related reactions
Linked notes
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