MilliporeSigma
All Photos(1)

62170

Sigma-Aldrich

Linolenic acid

~70% (GC)

Synonym(s):
α-Lnn, cis,cis,cis-9,12,15-Octadecatrienoic acid
Linear Formula:
CH3(CH2CH=CH)3(CH2)7CO2H
CAS Number:
Molecular Weight:
278.43
Beilstein:
1727693
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.77

Quality Level

assay

~70% (GC)

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.)

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

Looking for similar products? Visit Product Comparison Guide

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 Code

10 - Combustible liquids

WGK

WGK 1

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

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

Gwendolyn Barceló-Coblijn et al.
Progress in lipid research, 48(6), 355-374 (2009-07-22)
There is little doubt regarding the essential nature of alpha-linolenic acid (ALA), yet the capacity of dietary ALA to maintain adequate tissue levels of long chain n-3 fatty acids remains quite controversial. This simple point remains highly debated despite evidence
Ju-Sheng Zheng et al.
BMJ (Clinical research ed.), 346, f3706-f3706 (2013-07-03)
To investigate the association between intake of fish and n-3 polyunsaturated fatty acids (n-3 PUFA) and the risk of breast cancer and to evaluate the potential dose-response relation. Meta-analysis and systematic review of prospective cohort studies. PubMed and Embase up
Eoin Barrett et al.
PloS one, 7(11), e48159-e48159 (2012-11-28)
The aim of this study was to compare the impact of dietary supplementation with a Bifidobacterium breve strain together with linoleic acid & α-linolenic acid, for 7 weeks, on colonic sensitivity and fatty acid metabolism in rats. Maternally separated and
An Pan et al.
The American journal of clinical nutrition, 96(6), 1262-1273 (2012-10-19)
Prior studies of α-linolenic acid (ALA), a plant-derived omega-3 (n-3) fatty acid, and cardiovascular disease (CVD) risk have generated inconsistent results. We conducted a meta-analysis to summarize the evidence regarding the relation of ALA and CVD risk. We searched multiple
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

Articles

Omega-3 Fatty Acids and Heart Disease

The potential for the prevention and treatment of cardiovascular disease through increased dietary intake of omega-3 (w-3) fish oils is not a recent scientific discovery.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service