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Identification Taxonomy Ontology Physical properties Spectra Biological properties Concentrations Links References XML

Record Information

Version

5.0

Status

Expected but not Quantified

Creation Date

2012-09-11 17:44:15 UTC

Update Date

2023-02-21 17:20:56 UTC

HMDB ID

HMDB0031594

Secondary Accession Numbers

HMDB31594

Metabolite Identification

Common Name

2-Methylhexanoic acid

Description

2-Methylhexanoic acid, also known as 2-methylhexanoate, belongs to the class of organic compounds known as medium-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 4 and 12 carbon atoms. Based on a literature review a small amount of articles have been published on 2-Methylhexanoic acid.

Structure

MOL 3D MOL SDF 3D SDF PDB 3D PDB SMILES InChI

View in JSmol View NMR Assignments View Stereo Labels

Synonyms

Value	Source
2-Methylhexanoate	Generator
2-Methyl-hexanoic acid	HMDB
2-Methylcaproic acid	HMDB
alpha -Methylcaproic acid	HMDB
alpha-Methylcaproic acid	HMDB
FEMA 3191	HMDB
Hexane-2-carboxylic acid	HMDB
2-Methyl-hexanoate	Generator

Chemical Formula

C₇H₁₄O₂

Average Molecular Weight

130.1849

Monoisotopic Molecular Weight

130.099379692

IUPAC Name

2-methylhexanoic acid

Traditional Name

2-methylhexanoic acid

CAS Registry Number

4536-23-6

SMILES

CCCCC(C)C(O)=O

InChI Identifier

InChI=1S/C7H14O2/c1-3-4-5-6(2)7(8)9/h6H,3-5H2,1-2H3,(H,8,9)

InChI Key

CVKMFSAVYPAZTQ-UHFFFAOYSA-N

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as medium-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 4 and 12 carbon atoms.

Kingdom

Organic compounds

Super Class

Lipids and lipid-like molecules

Class

Fatty Acyls

Sub Class

Fatty acids and conjugates

Direct Parent

Medium-chain fatty acids

Alternative Parents

Substituents

Medium-chain fatty acid
Methyl-branched fatty acid
Branched fatty acid
Monocarboxylic acid or derivatives
Carboxylic acid
Carboxylic acid derivative
Organic oxygen compound
Organic oxide
Hydrocarbon derivative
Organooxygen compound
Carbonyl group
Aliphatic acyclic compound

Molecular Framework

Aliphatic acyclic compounds

External Descriptors

Branched fatty acids (LMFA01020080 )

Ontology

Cellular substructure

Organelle

Adiposome (HMDB: HMDB0031594)

Excreta

Biofluid or Excreta

Urine (HMDB: HMDB0031594)

Route of exposure

Enteral

Ingestion (HMDB: HMDB0031594)

Source

Endogenous

Endogenous (HMDB: HMDB0031594)

Animal

Animal (HMDB: HMDB0031594)

Exogenous

Food

Food (HMDB: HMDB0031594)

Process

Naturally occurring process

Biological process

Biochemical pathway

Metabolic pathway

Fatty Acid Metabolism (HMDB: HMDB0031594)

Chemical reaction

Lipid Peroxidation (HMDB: HMDB0031594)

Cellular process

Cell signaling (HMDB: HMDB0031594)

Biochemical process

Lipid transport (HMDB: HMDB0031594)

Role

Biological role

Energy storage (HMDB: HMDB0031594)

Industrial application

Manufacturing industry

Material processing agent

Fluid processing agent

Surfactant

Surfactant (HMDB: HMDB0031594)

Food and nutrition

Food additive

Flavoring agent

Flavoring Agent (HMDB: HMDB0031594)

Physical Properties

State

Not Available

Experimental Molecular Properties

Property	Value	Reference
Melting Point	Not Available	Not Available
Boiling Point	Not Available	Not Available
Water Solubility	Not Available	Not Available
LogP	Not Available	Not Available

Experimental Chromatographic Properties

Not Available

Predicted Molecular Properties

Property	Value	Source
Water Solubility	4.92 g/L	ALOGPS
logP	2.2	ALOGPS
logP	2.35	ChemAxon
logS	-1.4	ALOGPS
pKa (Strongest Acidic)	5.1	ChemAxon
Physiological Charge	-1	ChemAxon
Hydrogen Acceptor Count	2	ChemAxon
Hydrogen Donor Count	1	ChemAxon
Polar Surface Area	37.3 Å²	ChemAxon
Rotatable Bond Count	4	ChemAxon
Refractivity	35.65 m³·mol⁻¹	ChemAxon
Polarizability	15 Å³	ChemAxon
Number of Rings	0	ChemAxon
Bioavailability	Yes	ChemAxon
Rule of Five	Yes	ChemAxon
Ghose Filter	No	ChemAxon
Veber's Rule	Yes	ChemAxon
MDDR-like Rule	No	ChemAxon

Predicted Chromatographic Properties

Predicted Collision Cross Sections

Predictor	Adduct Type	CCS Value (Å²)	Reference
DarkChem	[M+H]+	129.383	31661259
DarkChem	[M-H]-	125.604	31661259
DeepCCS	[M+H]+	134.919	30932474
DeepCCS	[M-H]-	132.156	30932474
DeepCCS	[M-2H]-	168.619	30932474
DeepCCS	[M+Na]+	143.43	30932474
AllCCS	[M+H]+	132.4	32859911
AllCCS	[M+H-H2O]+	128.3	32859911
AllCCS	[M+NH4]+	136.3	32859911
AllCCS	[M+Na]+	137.4	32859911
AllCCS	[M-H]-	132.9	32859911
AllCCS	[M+Na-2H]-	135.7	32859911
AllCCS	[M+HCOO]-	138.8	32859911

Predicted Kovats Retention Indices

Underivatized

Metabolite	SMILES	Kovats RI Value	Column Type	Reference
2-Methylhexanoic acid	CCCCC(C)C(O)=O	1813.7	Standard polar	33892256
2-Methylhexanoic acid	CCCCC(C)C(O)=O	1008.0	Standard non polar	33892256
2-Methylhexanoic acid	CCCCC(C)C(O)=O	1044.1	Semi standard non polar	33892256

Derivatized

Derivative Name / Structure	SMILES	Kovats RI Value	Column Type	Reference
2-Methylhexanoic acid,1TMS,isomer #1	CCCCC(C)C(=O)O[Si](C)(C)C	1099.4	Semi standard non polar	33892256
2-Methylhexanoic acid,1TBDMS,isomer #1	CCCCC(C)C(=O)O[Si](C)(C)C(C)(C)C	1318.2	Semi standard non polar	33892256

Spectra

GC-MS Spectra

Spectrum Type	Description	Splash Key	Deposition Date	Source	View
Experimental GC-MS	GC-MS Spectrum - 2-Methylhexanoic acid EI-B (Non-derivatized)	splash10-00di-9000000000-6c06450a5157b089542c	2017-09-12	HMDB team, MONA, MassBank	View Spectrum
Experimental GC-MS	GC-MS Spectrum - 2-Methylhexanoic acid EI-B (Non-derivatized)	splash10-00di-9000000000-6c06450a5157b089542c	2018-05-18	HMDB team, MONA, MassBank	View Spectrum
Predicted GC-MS	Predicted GC-MS Spectrum - 2-Methylhexanoic acid GC-MS (Non-derivatized) - 70eV, Positive	splash10-054o-9100000000-9e24c6267c6dbdcad260	2017-09-01	Wishart Lab	View Spectrum
Predicted GC-MS	Predicted GC-MS Spectrum - 2-Methylhexanoic acid GC-MS (1 TMS) - 70eV, Positive	splash10-0079-9200000000-ab052af2fa5df1a789a7	2017-10-06	Wishart Lab	View Spectrum
Predicted GC-MS	Predicted GC-MS Spectrum - 2-Methylhexanoic acid GC-MS (Non-derivatized) - 70eV, Positive	Not Available	2021-10-12	Wishart Lab	View Spectrum

MS/MS Spectra

Spectrum Type	Description	Splash Key	Deposition Date	Source	View
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 2-Methylhexanoic acid 10V, Positive-QTOF	splash10-001i-5900000000-f1d3b118da7f018c7469	2016-06-03	Wishart Lab	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 2-Methylhexanoic acid 20V, Positive-QTOF	splash10-000i-9200000000-7f27369c614a64a25723	2016-06-03	Wishart Lab	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 2-Methylhexanoic acid 40V, Positive-QTOF	splash10-052f-9000000000-755a05ceab06e7599bd5	2016-06-03	Wishart Lab	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 2-Methylhexanoic acid 10V, Negative-QTOF	splash10-004i-1900000000-f96ab3fa41a05a2122b2	2016-08-03	Wishart Lab	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 2-Methylhexanoic acid 20V, Negative-QTOF	splash10-002r-9600000000-649b1334ba335660c868	2016-08-03	Wishart Lab	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 2-Methylhexanoic acid 40V, Negative-QTOF	splash10-059l-9000000000-fba9aa1ecf1cebd72288	2016-08-03	Wishart Lab	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 2-Methylhexanoic acid 10V, Negative-QTOF	splash10-004i-0900000000-1cb2880b7dee2cf75949	2021-09-21	Wishart Lab	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 2-Methylhexanoic acid 20V, Negative-QTOF	splash10-004i-3900000000-54fabdb8783c799ae7c8	2021-09-21	Wishart Lab	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 2-Methylhexanoic acid 40V, Negative-QTOF	splash10-0006-9000000000-ab62aba388376f8ed1a1	2021-09-21	Wishart Lab	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 2-Methylhexanoic acid 10V, Positive-QTOF	splash10-052u-9000000000-636ef2ccd727f5b81d4c	2021-09-25	Wishart Lab	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 2-Methylhexanoic acid 20V, Positive-QTOF	splash10-0a4u-9000000000-74a42a19387b1b9dd34d	2021-09-25	Wishart Lab	View Spectrum
Predicted LC-MS/MS	Predicted LC-MS/MS Spectrum - 2-Methylhexanoic acid 40V, Positive-QTOF	splash10-052f-9000000000-15d895c0cbc8f7da035f	2021-09-25	Wishart Lab	View Spectrum

NMR Spectra

Spectrum Type	Description	Deposition Date	Source	View
Predicted 1D NMR	¹³C NMR Spectrum (1D, 100 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹H NMR Spectrum (1D, 100 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹³C NMR Spectrum (1D, 1000 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹H NMR Spectrum (1D, 1000 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹³C NMR Spectrum (1D, 200 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹H NMR Spectrum (1D, 200 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹³C NMR Spectrum (1D, 300 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹H NMR Spectrum (1D, 300 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹³C NMR Spectrum (1D, 400 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹H NMR Spectrum (1D, 400 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹³C NMR Spectrum (1D, 500 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹H NMR Spectrum (1D, 500 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹³C NMR Spectrum (1D, 600 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹H NMR Spectrum (1D, 600 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹³C NMR Spectrum (1D, 700 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹H NMR Spectrum (1D, 700 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹³C NMR Spectrum (1D, 800 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹H NMR Spectrum (1D, 800 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹³C NMR Spectrum (1D, 900 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum
Predicted 1D NMR	¹H NMR Spectrum (1D, 900 MHz, D₂O, predicted)	2021-09-30	Wishart Lab	View Spectrum

IR Spectra

Spectrum Type	Description	Deposition Date	Source	View
Predicted IR Spectrum	IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-)	2023-02-04	FELIX lab	View Spectrum
Predicted IR Spectrum	IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+)	2023-02-04	FELIX lab	View Spectrum
Predicted IR Spectrum	IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+)	2023-02-04	FELIX lab	View Spectrum

Biological Properties

Cellular Locations

Cytoplasm
Extracellular
Membrane

Biospecimen Locations

Not Available

Tissue Locations

Not Available

Pathways

Not Available

Name	SMPDB/PathBank	KEGG

Normal Concentrations

Not Available

Abnormal Concentrations

Not Available

Associated Disorders and Diseases

Disease References

None

Associated OMIM IDs

None

External Links

DrugBank ID

Not Available

Phenol Explorer Compound ID

Not Available

FooDB ID

FDB008224

KNApSAcK ID

Not Available

Chemspider ID

19450

KEGG Compound ID

Not Available

BioCyc ID

Not Available

BiGG ID

Not Available

Wikipedia Link

Not Available

METLIN ID

Not Available

PubChem Compound

20653

PDB ID

Not Available

ChEBI ID

Not Available

Food Biomarker Ontology

Not Available

VMH ID

Not Available

MarkerDB ID

Not Available

Good Scents ID

Not Available

References

Synthesis Reference

Not Available

Material Safety Data Sheet (MSDS)

Not Available

General References

Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
(). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .
Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.

Showing metabocard for 2-Methylhexanoic acid (HMDB0031594)

MOL for HMDB0031594 (2-Methylhexanoic acid)

3D MOL for HMDB0031594 (2-Methylhexanoic acid)

3D SDF for HMDB0031594 (2-Methylhexanoic acid)

3D-SDF for HMDB0031594 (2-Methylhexanoic acid)

PDB for HMDB0031594 (2-Methylhexanoic acid)

3D PDB for HMDB0031594 (2-Methylhexanoic acid)

SMILES for HMDB0031594 (2-Methylhexanoic acid)

INCHI for HMDB0031594 (2-Methylhexanoic acid)

Structure for HMDB0031594 (2-Methylhexanoic acid)

3D Structure for HMDB0031594 (2-Methylhexanoic acid)

Predicted Collision Cross Sections

Predicted Kovats Retention Indices

Underivatized

Derivatized

GC-MS Spectra

MS/MS Spectra

NMR Spectra

IR Spectra