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Details

Stereochemistry RACEMIC
Molecular Formula C21H42O2
Molecular Weight 326.557
Optical Activity ( + / - )
Defined Stereocenters 0 / 1
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of METHYLARACHIDIC ACID

SMILES

CCC(C)CCCCCCCCCCCCCCCCC(O)=O

InChI

InChIKey=WSRCOZWDQPJAQT-UHFFFAOYSA-N
InChI=1S/C21H42O2/c1-3-20(2)18-16-14-12-10-8-6-4-5-7-9-11-13-15-17-19-21(22)23/h20H,3-19H2,1-2H3,(H,22,23)

HIDE SMILES / InChI

Molecular Formula C21H42O2
Molecular Weight 326.557
Charge 0
Count
Stereochemistry RACEMIC
Additional Stereochemistry No
Defined Stereocenters 0 / 1
E/Z Centers 0
Optical Activity ( + / - )

Approval Year

PubMed

PubMed

TitleDatePubMed
The thickness of 18-MEA on an ultra-high-sulfur protein surface by molecular modeling.
2010-08-31
Location of Keratin-associated Proteins in Developing Fiber Cuticle Cells using Immunoelectron Microscopy.
2010-07
18-MEA and hair appearance.
2009-08-13
Photoaggravation of hair aging.
2009-07
A role of the anteiso branch of 18-MEA in 18-MEA/SPDA to form a persistent hydrophobicity to alkaline-color-treated weathered hair.
2009-05-18
Deposition of 18-MEA onto alkaline-color-treated weathered hair to form a persistent hydrophobicity.
2008-09-29
Healthy hair: what is it?
2007-12
Molecular dynamic simulations of eicosanoic acid and 18-methyleicosanoic acid langmuir monolayers.
2007-09-20
Wetting and electrical properties of the human hair surface: delipidation observed at the nanoscale.
2007-02-01
A systematic method for the sensitive and specific determination of hair lipids in combination with chromatography.
2005-09-05
Analysis of hair lipids and tensile properties as a function of distance from scalp.
2005-08
Characterization of the lipid composition at the proximal root regions of human hair.
2005-03-04
Effect of the covalently linked fatty acid 18-MEA on the nanotribology of hair's outermost surface.
2005-03
Maple syrup urine disease hair reveals the importance of 18-methyleicosanoic acid in cuticular delamination.
2005
Monomethyl branched-chain fatty acids play an essential role in Caenorhabditis elegans development.
2004-09
Lamellar subcomponents of the cuticular cell membrane complex of mammalian keratin fibres show friction and hardness contrast by AFM.
2002-06
Mechanical extension of human hair and the movement of the cuticle.
2001-03-15
Patents
Substance Class Chemical
Created
by admin
on Wed Apr 02 18:26:57 GMT 2025
Edited
by admin
on Wed Apr 02 18:26:57 GMT 2025
Record UNII
7STP871R4S
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
18-MEA
Preferred Name English
METHYLARACHIDIC ACID
INCI  
INCI  
Official Name English
18-METHYLEICOSANOIC ACID
Systematic Name English
EICOSANOIC ACID, 18-METHYL-
Common Name English
ANTEISOHENEICOSANOIC ACID
Common Name English
Code System Code Type Description
CAS
36332-93-1
Created by admin on Wed Apr 02 18:26:57 GMT 2025 , Edited by admin on Wed Apr 02 18:26:57 GMT 2025
PRIMARY
MESH
C111345
Created by admin on Wed Apr 02 18:26:57 GMT 2025 , Edited by admin on Wed Apr 02 18:26:57 GMT 2025
PRIMARY
EPA CompTox
DTXSID201312907
Created by admin on Wed Apr 02 18:26:57 GMT 2025 , Edited by admin on Wed Apr 02 18:26:57 GMT 2025
PRIMARY
FDA UNII
7STP871R4S
Created by admin on Wed Apr 02 18:26:57 GMT 2025 , Edited by admin on Wed Apr 02 18:26:57 GMT 2025
PRIMARY
CHEBI
84877
Created by admin on Wed Apr 02 18:26:57 GMT 2025 , Edited by admin on Wed Apr 02 18:26:57 GMT 2025
PRIMARY
PUBCHEM
5282602
Created by admin on Wed Apr 02 18:26:57 GMT 2025 , Edited by admin on Wed Apr 02 18:26:57 GMT 2025
PRIMARY