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Merck
CN

90983

Conjugated (9E,11E)-Linoleic acid

analytical standard

Synonym(s):

(9E,11E)-9,11-Octadecadienoic acid, 9E,11E-CLA, Isolinoleic acid, Linoleic acid (9-trans, 11-trans), Mangold’s acid

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About This Item

Empirical Formula (Hill Notation):
C18H32O2
CAS Number:
544-71-8
Molecular Weight:
280.45
NACRES:
NA.24
PubChem Substance ID:
329769982
UNSPSC Code:
85151701
MDL number:
MFCD00133681

Key Documents

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InChI key

JBYXPOFIGCOSSB-XBLVEGMJSA-N

SMILES string

CCCCCC\C=C\C=C\CCCCCCCC(O)=O

InChI

1S/C18H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h7-10H,2-6,11-17H2,1H3,(H,19,20)/b8-7+,10-9+

biological source

synthetic

grade

analytical standard

assay

≥98.0% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

format

neat

functional group

carboxylic acid

storage temp.

−20°C

Quality Level

100

Related Categories

General description

Conjugated (9E,11E)-linoleic acid can be obtained via hydrogenation of linoleic acid in the middle [12,13] double bond.

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCP2911
BCCN5695
BCCK0335
BCCF9012
BCCB5535

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Kulp K et al.
Batters and Breadings in Food Processing, (2) (2016)
Xiaohua Liu et al.
Journal of agricultural and food chemistry, 60(38), 9705-9710 (2012-09-06)
A simple and accurate method for screening of bacterial strains with the ability to convert free linoleic acid into specific conjugated linoleic acid (CLA) isomers has been developed by combining the ultraviolet spectral scan and capillary electrophoresis analysis. The ultraviolet
M Joy et al.
Meat science, 90(3), 775-782 (2011-12-01)
The aim of this study was to evaluate the use of forage diets (grazing vs. hay) around the time of ewe parturition, on the fatty acids profile of suckling lamb meat (10-12kg body weight). Forty-eight multiparous single-bearing ewes were used.
Jason R Deguire et al.
Nutrition research (New York, N.Y.), 32(12), 911-920 (2012-12-19)
The relationships between conjugated linoleic acid (CLA) status, bone, body composition, and the effect of CLA on calciotropic hormones are unclear. A cross-sectional study was designed to examine the association between c9, t11 CLA status in erythrocyte membranes (RBC) and
Eva Katharina Richter et al.
Lipids, 47(2), 161-169 (2011-08-13)
This study explores the potential use of stable carbon isotope ratios (δ(13)C) of single fatty acids (FA) as tracers for the transformation of FA from diet to milk, with focus on the metabolic origin of c9,t11-18:2. For this purpose, dairy
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