Structure Database (LMSD)
Common Name
Methylarachidic acid
Systematic Name
(+)-18-methyl-eicosanoic acid
Synonyms
- (+)-18-methyl-icosanoic acid
- 18-MEA
3D model of Methylarachidic acid
Please note: Where there are chiral atoms but the stereochemistry is undefined, the 3D model takes an arbitrary conformation
Classification
Category
Main Class
Sub Class
Biological Context
18-methyl Eicosanoic acid is a main component of the outer layer of the epicuticle of human hair and endows hydrophobicity to the outer hair surface. It is used as an additive to hair cosmetics due to its desirable conditioning effects.1
This information has been provided by Cayman Chemical
References
1. Cundy, D.J., and Gurr, P.A. An improved synthesis of (±) 18 methyl eicosanoic acid. Org. Prep. Proced. Int. 32(5), 461-468 (2011).
References
String Representations
InChiKey (Click to copy)
WSRCOZWDQPJAQT-UHFFFAOYSA-N
InChi (Click to copy)
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)
SMILES (Click to copy)
C(CCCCCCCC(C)CC)CCCCCCCCC(=O)O
Other Databases
Calculated Physicochemical Properties
Heavy Atoms
23
Rings
0
Aromatic Rings
0
Rotatable Bonds
18
Van der Waals Molecular Volume
386.80
Topological Polar Surface Area
37.30
Hydrogen Bond Donors
1
Hydrogen Bond Acceptors
2
logP
7.36
Molar Refractivity
100.96
Admin
Created at
-
Updated at
16th Jun 2021