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A3555

Arachidonic acid

Name: Arachidonic acid
Brand: SIGMA

from Porcine liver, BioReagent, suitable for cell culture, ≥99% (GC)

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

EC Number:

208-033-4

UNSPSC Code:

12352200

PubChem Substance ID:

24890784

Beilstein/REAXYS Number:

1713889

MDL number:

MFCD00004417

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Properties

biological source

Porcine liver

product line

BioReagent

assay

≥99% (GC)

form

liquid

technique(s)

cell culture | mammalian: suitable

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

absolute ethanol: 10 mg/mL

density

0.922 g/mL at 25 °C (lit.)

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

Description

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) .

Packaging

Sealed ampule.

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pictograms

GHS07

signalword

Warning

hcodes

H315,H319

pcodes

P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313 - P337 + P313

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class

10 - Combustible liquids

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

Regulatory Information

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