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Merck
CN

A9673

Sigma-Aldrich

Arachidonic acid

from Porcine liver, ≥99% (GC), liquid

Synonym(s):

cis,cis,cis,cis-5,8,11,14-Eicosatetraenoic acid, Eicosa-5Z,8Z,11Z,14Z-tetraenoic acid, Immunocytophyte

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About This Item

Linear Formula:
CH3(CH2)4(CH=CHCH2)4CH2CH2CO2H
CAS Number:
506-32-1
Molecular Weight:
304.47
Beilstein:
1713889
EC Number:
208-033-4
MDL number:
MFCD00004417
UNSPSC Code:
12352211
PubChem Substance ID:
24891487

Key Documents

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biological source

Porcine liver

Assay

≥99% (GC)

form

liquid

color

clear colorless to very faintly yellow

refractive index

n20/D 1.4872 (lit.)

bp

169-171 °C/0.15 mmHg (lit.)

mp

−49 °C (lit.)

solubility

ethanol: ≥10 mg/mL (lit.)(lit.)

density

0.922 g/mL at 25 °C (lit.)

application(s)

food and beverages

functional group

carboxylic acid

shipped in

dry ice

storage temp.

−20°C

SMILES string

OC(CCC/C=C\C/C=C\C/C=C\C/C=C\CCCCC)=O

InChI

1S/C20H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h6-7,9-10,12-13,15-16H,2-5,8,11,14,17-19H2,1H3,(H,21,22)/b7-6-,10-9-,13-12-,16-15-

InChI key

YZXBAPSDXZZRGB-DOFZRALJSA-N

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Biochem/physiol Actions

Arachidonic acid (AA) is an unsaturated ω6 fatty acid constituent of the phospholipids of cell membranes. Phospholipase A2 releases AA from the membrane phospholipids in response to inflammation. AA is subsequently metabolized to prostaglandins and thromboxanes by at least two cyclooxygenase (COX) isoforms, to leukotrienes and lipoxins by lipoxygenases, and to epoxyeicosatrienoic acids via cytochrome p450-catalyzed metabolism. AA and its metabolites play important roles in a variety of biological processes, including signal transduction, smooth muscle contraction, chemotaxis, cell proliferation and differentiation, and apoptosis. AA has been demonstrated to bind to the a subunit of G protein and inhibit the activity of Ras GTPase-activating proteins (GAPs). Cellular uptake of AA is energy dependent and involves protein-facilitated transport across the plasma membrane.
Arachidonic acid and its metabolites play important roles in a variety of biological processes, including signal transduction, smooth muscle contraction, chemotaxis, cell proliferation and differentiation, and apoptosis.
Arachidonic acid stimulates adhesion of MDA-MB-435 human metastatic cancer cells to extracellular matrix molecules (collagen IV and vitronectin) .

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SLBM2281V
SLBL5519V
SLBL0065V
SLBK7157V
SLBJ3652V

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Robert Heler et al.
Channels (Austin, Tex.), 7(2), 74-84 (2013-01-22)
Polyunsaturated fatty acids such as arachidonic acid (AA) exhibit inhibitory modulation of Kv4 potassium channels. Molecular docking approaches using a Kv4.2 homology model predicted a membrane-embedded binding pocket for AA comprised of the S4-S5 linker on one subunit and several
Nadia García-Mateo et al.
Frontiers in cellular neuroscience, 8, 374-374 (2014-11-27)
Management of lipids, particularly signaling lipids that control neuroinflammation, is crucial for the regeneration capability of a damaged nervous system. Knowledge of pro- and anti-inflammatory signals after nervous system injury is extensive, most of them being proteins acting through well-known
Jingying Chen et al.
Scientific reports, 6, 26608-26608 (2016-05-21)
Definitive haematopoiesis occurs during the lifetime of an individual, which continuously replenishes all blood and immune cells. During embryonic development, haematopoietic stem cell (HSC) formation is tightly controlled by growth factors, signalling molecules and transcription factors. But little is known
William J Gault et al.
The Journal of cell biology, 207(6), 767-782 (2014-12-24)
Osmotic cues from the environment mediate rapid detection of epithelial breaches by leukocytes in larval zebrafish tail fins. Using intravital luminescence and fluorescence microscopy, we now show that osmolarity differences between the interstitial fluid and the external environment trigger ATP
Peter Willatts et al.
The American journal of clinical nutrition, 98(2), 536S-542S (2013-06-21)
Evidence is accumulating that a dietary supply of long-chain polyunsaturated fatty acids (LC-PUFAs) enhances the development of attention and efficient information processing in infants. However, it is uncertain whether LC-PUFAs in infancy influence cognitive development in later childhood. The objective
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