Record Information |
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Version | 5.0 |
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Status | Detected but not Quantified |
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Creation Date | 2012-09-11 17:44:00 UTC |
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Update Date | 2023-02-21 17:20:48 UTC |
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HMDB ID | HMDB0031549 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | 5-Methyl-2-hexanone |
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Description | 5-Methyl-2-hexanone, also known as methyl isoamyl ketone or MIAK, belongs to the class of organic compounds known as ketones. These are organic compounds in which a carbonyl group is bonded to two carbon atoms R2C=O (neither R may be a hydrogen atom). Ketones that have one or more alpha-hydrogen atoms undergo keto-enol tautomerization, the tautomer being an enol. 5-Methyl-2-hexanone is a very hydrophobic molecule, practically insoluble in water, and relatively neutral. Thus, 5-methyl-2-hexanone is considered to be an oxygenated hydrocarbon lipid molecule. 5-Methyl-2-hexanone has been detected, but not quantified, in a few different foods, such as eggs, fruits, and tea. This could make 5-methyl-2-hexanone a potential biomarker for the consumption of these foods. |
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Structure | InChI=1S/C7H14O/c1-6(2)4-5-7(3)8/h6H,4-5H2,1-3H3 |
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Synonyms | Value | Source |
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(CH3)2chch2ch2coch3 | HMDB | 2-Hexanone-5-methyl | HMDB | 2-Methyl-5-hexanone | HMDB | 5-Methylhexan-2-one | HMDB | Isoamyl methyl ketone | HMDB | Isobutylacetone | HMDB | Isopentyl methyl ketone | HMDB | Ketone, methyl isoamyl | HMDB | Methyl isoamyl ketone | HMDB | Methyl isopentyl ketone | HMDB | MIAK | HMDB |
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Chemical Formula | C7H14O |
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Average Molecular Weight | 114.1855 |
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Monoisotopic Molecular Weight | 114.10446507 |
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IUPAC Name | 5-methylhexan-2-one |
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Traditional Name | 5-methyl-2-hexanone |
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CAS Registry Number | 110-12-3 |
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SMILES | CC(C)CCC(C)=O |
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InChI Identifier | InChI=1S/C7H14O/c1-6(2)4-5-7(3)8/h6H,4-5H2,1-3H3 |
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InChI Key | FFWSICBKRCICMR-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as ketones. These are organic compounds in which a carbonyl group is bonded to two carbon atoms R2C=O (neither R may be a hydrogen atom). Ketones that have one or more alpha-hydrogen atoms undergo keto-enol tautomerization, the tautomer being an enol. |
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Kingdom | Organic compounds |
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Super Class | Organic oxygen compounds |
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Class | Organooxygen compounds |
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Sub Class | Carbonyl compounds |
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Direct Parent | Ketones |
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Alternative Parents | |
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Substituents | - Ketone
- Organic oxide
- Hydrocarbon derivative
- Aliphatic acyclic compound
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Molecular Framework | Aliphatic acyclic compounds |
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External Descriptors | |
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Ontology |
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Physiological effect | |
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Disposition | |
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Process | |
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Role | |
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Physical Properties |
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State | Liquid |
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Experimental Molecular Properties | Property | Value | Reference |
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Melting Point | -74 °C | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | 5.4 mg/mL at 25 °C | Not Available | LogP | 1.88 | Not Available |
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Experimental Chromatographic Properties | Not Available |
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Predicted Molecular Properties | |
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Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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5-Methyl-2-hexanone,1TMS,isomer #1 | CC(=CCC(C)C)O[Si](C)(C)C | 1056.5 | Semi standard non polar | 33892256 | 5-Methyl-2-hexanone,1TMS,isomer #1 | CC(=CCC(C)C)O[Si](C)(C)C | 1011.2 | Standard non polar | 33892256 | 5-Methyl-2-hexanone,1TMS,isomer #2 | C=C(CCC(C)C)O[Si](C)(C)C | 1027.9 | Semi standard non polar | 33892256 | 5-Methyl-2-hexanone,1TMS,isomer #2 | C=C(CCC(C)C)O[Si](C)(C)C | 1029.8 | Standard non polar | 33892256 | 5-Methyl-2-hexanone,1TBDMS,isomer #1 | CC(=CCC(C)C)O[Si](C)(C)C(C)(C)C | 1272.1 | Semi standard non polar | 33892256 | 5-Methyl-2-hexanone,1TBDMS,isomer #1 | CC(=CCC(C)C)O[Si](C)(C)C(C)(C)C | 1231.8 | Standard non polar | 33892256 | 5-Methyl-2-hexanone,1TBDMS,isomer #2 | C=C(CCC(C)C)O[Si](C)(C)C(C)(C)C | 1233.2 | Semi standard non polar | 33892256 | 5-Methyl-2-hexanone,1TBDMS,isomer #2 | C=C(CCC(C)C)O[Si](C)(C)C(C)(C)C | 1232.6 | Standard non polar | 33892256 |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Experimental GC-MS | GC-MS Spectrum - 5-Methyl-2-hexanone EI-B (Non-derivatized) | splash10-0006-9000000000-154c06a6e349e4078172 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - 5-Methyl-2-hexanone EI-B (Non-derivatized) | splash10-052f-9000000000-dbf6e4e2149ba1271e57 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - 5-Methyl-2-hexanone EI-B (Non-derivatized) | splash10-0006-9000000000-40a76a6003700e807547 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - 5-Methyl-2-hexanone EI-B (Non-derivatized) | splash10-0a4l-9000000000-b38c5127376d7279ee3b | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - 5-Methyl-2-hexanone EI-B (Non-derivatized) | splash10-0006-9000000000-154c06a6e349e4078172 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - 5-Methyl-2-hexanone EI-B (Non-derivatized) | splash10-052f-9000000000-dbf6e4e2149ba1271e57 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - 5-Methyl-2-hexanone EI-B (Non-derivatized) | splash10-0006-9000000000-40a76a6003700e807547 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - 5-Methyl-2-hexanone EI-B (Non-derivatized) | splash10-0a4l-9000000000-b38c5127376d7279ee3b | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 5-Methyl-2-hexanone GC-MS (Non-derivatized) - 70eV, Positive | splash10-0006-9000000000-e94e92815bffdc7c187c | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 5-Methyl-2-hexanone GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 5-Methyl-2-hexanone GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | MS | Mass Spectrum (Electron Ionization) | splash10-0006-9000000000-fee4d6523daaedc7f2a2 | 2014-09-20 | Not Available | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Methyl-2-hexanone 10V, Positive-QTOF | splash10-014j-9700000000-ae3a9550acdb4943f0ab | 2016-08-02 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Methyl-2-hexanone 20V, Positive-QTOF | splash10-05mk-9300000000-f712ed1d2d0c0cf3ffd0 | 2016-08-02 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Methyl-2-hexanone 40V, Positive-QTOF | splash10-0a4l-9000000000-8da071fb3a30f6d52214 | 2016-08-02 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Methyl-2-hexanone 10V, Negative-QTOF | splash10-03di-2900000000-d2779a9178572f90a758 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Methyl-2-hexanone 20V, Negative-QTOF | splash10-03di-7900000000-e4b6b80c9d0671fa1ac9 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Methyl-2-hexanone 40V, Negative-QTOF | splash10-0a4i-9000000000-64282375abfc9fcea8d1 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Methyl-2-hexanone 10V, Negative-QTOF | splash10-03di-0900000000-87ba7764343ecec4c93f | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Methyl-2-hexanone 20V, Negative-QTOF | splash10-03dm-9600000000-d759f296eef93bd32b96 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Methyl-2-hexanone 40V, Negative-QTOF | splash10-0a4i-9000000000-f3e8f5b90952021f423e | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Methyl-2-hexanone 10V, Positive-QTOF | splash10-0ac1-9000000000-4cce207a5ae79e383a1c | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Methyl-2-hexanone 20V, Positive-QTOF | splash10-0a4i-9000000000-84ea496df8600240ed48 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Methyl-2-hexanone 40V, Positive-QTOF | splash10-0536-9000000000-925f87503ced06036d96 | 2021-09-25 | Wishart Lab | View Spectrum |
NMR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum |
IR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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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 |
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Disease References | Nonalcoholic fatty liver disease |
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- Raman M, Ahmed I, Gillevet PM, Probert CS, Ratcliffe NM, Smith S, Greenwood R, Sikaroodi M, Lam V, Crotty P, Bailey J, Myers RP, Rioux KP: Fecal microbiome and volatile organic compound metabolome in obese humans with nonalcoholic fatty liver disease. Clin Gastroenterol Hepatol. 2013 Jul;11(7):868-75.e1-3. doi: 10.1016/j.cgh.2013.02.015. Epub 2013 Feb 27. [PubMed:23454028 ]
| Crohn's disease |
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- Ahmed I, Greenwood R, Costello B, Ratcliffe N, Probert CS: Investigation of faecal volatile organic metabolites as novel diagnostic biomarkers in inflammatory bowel disease. Aliment Pharmacol Ther. 2016 Mar;43(5):596-611. doi: 10.1111/apt.13522. Epub 2016 Jan 25. [PubMed:26806034 ]
| Ulcerative colitis |
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- Ahmed I, Greenwood R, Costello B, Ratcliffe N, Probert CS: Investigation of faecal volatile organic metabolites as novel diagnostic biomarkers in inflammatory bowel disease. Aliment Pharmacol Ther. 2016 Mar;43(5):596-611. doi: 10.1111/apt.13522. Epub 2016 Jan 25. [PubMed:26806034 ]
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