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62170

Sigma-Aldrich

Linolenic acid

~70% (GC)

Synonym(s):

α-Lnn, cis,cis,cis-9,12,15-Octadecatrienoic acid

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About This Item

Linear Formula:
CH3(CH2CH=CH)3(CH2)7CO2H
CAS Number:
Molecular Weight:
278.43
Beilstein/REAXYS Number:
1727693
EC Number:
MDL number:
UNSPSC Code:
12352211
PubChem Substance ID:
NACRES:
NA.77

assay

~70% (GC)

Quality Level

impurities

~25% linoleic acid
~5% oleic acid

refractive index

n20/D 1.477
n20/D 1.480 (lit.)

bp

230-232 °C/1 mmHg (lit.)

mp

-11 °C (lit.)

density

0.914 g/mL at 25 °C (lit.)

lipid type

omega FAs

storage temp.

2-8°C

SMILES string

CC/C=C\C/C=C\C/C=C\CCCCCCCC(O)=O

InChI

1S/C18H30O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h3-4,6-7,9-10H,2,5,8,11-17H2,1H3,(H,19,20)/b4-3-,7-6-,10-9-

InChI key

DTOSIQBPPRVQHS-PDBXOOCHSA-N

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Biochem/physiol Actions

An ω-3 fatty acid that serves as a precursor to eicosapentaenoic acid (EPA) but not docosahexaenoic acid. Conversion is greater in women than men, and conversely, β-oxidation metabolism is greater in men than women.

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

Eyeshields, Gloves


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Aliza H Stark et al.
Nutrition reviews, 66(6), 326-332 (2008-06-05)
Consumption of omega 3 fatty acids is known to have health benefits. For many years, the importance of the only member of the omega 3 family considered to be essential, alpha-linolenic acid (ALA), has been overlooked. Current research indicates that
C Mapiye et al.
Meat science, 95(1), 98-109 (2013-05-15)
Yearling steers were fed 70:30 forage:concentrate diets for 205 d, with either grass hay (GH) or red clover silage (RC) as the forage source, and concentrates containing either sunflower-seed (SS) or flaxseed (FS), each providing 5.4% oil to diets. Feeding
Joel A Simon et al.
The American journal of clinical nutrition, 89(5), 1558S-1564S (2009-03-27)
alpha-Linolenic acid (ALA; 18:3n-3) has been associated inconsistently with an increased risk of prostate cancer. Additional studies have become available since the publication of 2 previous meta-analyses. The objective was to review the published data on the relation between ALA
Takayoshi Suzuki et al.
Journal of medicinal chemistry, 51(23), 7640-7644 (2008-11-15)
A weak, nonselective G protein-coupled receptor 120 (GPR120) agonist 10 was found by screening a series of carboxylic acids derived from the peroxisome proliferator-activated receptor gamma (PPARgamma) agonist 3. Modification based on the homology model of GPR120 led to the
Meika Foster et al.
The Journal of nutritional biochemistry, 24(9), 1655-1661 (2013-05-07)
The pathology of type 2 diabetes mellitus (DM) often is associated with underlying states of conditioned zinc deficiency and chronic inflammation. Zinc and omega-3 polyunsaturated fatty acids each exhibit anti-inflammatory effects and may be of therapeutic benefit in the disease.

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