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M5781

Sigma-Aldrich

18-Methylnonadecanoic acid

≥98% (capillary GC)

Synonym(s):

Isoarachidic acid

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About This Item

Empirical Formula (Hill Notation):
C20H40O2
CAS Number:
6250-72-2
Molecular Weight:
312.53
MDL number:
MFCD00132919
UNSPSC Code:
12352211
PubChem Substance ID:
24897046
NACRES:
NA.25

Quality Level

200

assay

≥98% (capillary GC)

functional group

carboxylic acid

lipid type

saturated FAs

shipped in

ambient

storage temp.

2-8°C

SMILES string

CC(C)CCCCCCCCCCCCCCCCC(O)=O

InChI

1S/C20H40O2/c1-19(2)17-15-13-11-9-7-5-3-4-6-8-10-12-14-16-18-20(21)22/h19H,3-18H2,1-2H3,(H,21,22)

InChI key

UCDAVJCKGYOYNI-UHFFFAOYSA-N

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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T Kaneda
Microbiological reviews, 55(2), 288-302 (1991-06-01)
Branched-chain fatty acids of the iso and anteiso series occur in many bacteria as the major acyl constituents of membrane lipids. In addition, omega-cyclohexyl and omega-cycloheptyl fatty acids are present in several bacterial species. These two types of fatty acids
Róbert Kubinec et al.
Journal of chromatography. A, 1218(13), 1767-1774 (2011-02-26)
Isomer mixtures of monomethyl branched saturated C7-C23 fatty acid methyl esters (FAME) were prepared by performing a methylene insertion reaction to the straight chain FAME and this study model was completed by using commercially available standards of C4-C7 FAME. The
Jeroen S Dickschat et al.
Organic & biomolecular chemistry, 3(15), 2824-2831 (2005-07-21)
The fatty acid (FA) profiles of the myxobacteria Stigmatella aurantiaca and Myxococcus xanthus were investigated by acidic methanolysis of total cell extracts and GC or GC-MS analysis. The main components were 13-methyltetradecanoic acid (iso-15:0) and (Z)-hexadec-11-enoic acid (16:1, omega-5 cis).

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