Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2012-09-11 20:07:31 UTC |
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Update Date | 2022-03-07 02:54:23 UTC |
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HMDB ID | HMDB0035176 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | 3-Mercapto-2-methylpentanal |
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Description | 3-Mercapto-2-methylpentanal, also known as 2-methyl-3-sulphanylpentanal, belongs to the class of organic compounds known as alkylthiols. These are organic compounds containing the thiol functional group linked to an alkyl chain. 3-Mercapto-2-methylpentanal is an onion and sulfurous tasting compound. 3-Mercapto-2-methylpentanal has been detected, but not quantified in, several different foods, such as green onion, garden onions (Allium cepa), onion-family vegetables, red onion, and welsh onions (Allium fistulosum). This could make 3-mercapto-2-methylpentanal a potential biomarker for the consumption of these foods. Based on a literature review very few articles have been published on 3-Mercapto-2-methylpentanal. |
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Structure | InChI=1S/C6H12OS/c1-3-6(8)5(2)4-7/h4-6,8H,3H2,1-2H3 |
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Synonyms | Value | Source |
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2-Methyl-3-sulphanylpentanal | HMDB |
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Chemical Formula | C6H12OS |
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Average Molecular Weight | 132.224 |
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Monoisotopic Molecular Weight | 132.060885696 |
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IUPAC Name | 2-methyl-3-sulfanylpentanal |
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Traditional Name | 2-methyl-3-sulfanylpentanal |
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CAS Registry Number | 227456-28-2 |
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SMILES | CCC(S)C(C)C=O |
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InChI Identifier | InChI=1S/C6H12OS/c1-3-6(8)5(2)4-7/h4-6,8H,3H2,1-2H3 |
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InChI Key | FSAGSGCELJTQFN-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as alkylthiols. These are organic compounds containing the thiol functional group linked to an alkyl chain. |
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Kingdom | Organic compounds |
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Super Class | Organosulfur compounds |
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Class | Thiols |
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Sub Class | Alkylthiols |
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Direct Parent | Alkylthiols |
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Alternative Parents | |
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Substituents | - Alkylthiol
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Aldehyde
- Aliphatic acyclic compound
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Molecular Framework | Aliphatic acyclic compounds |
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External Descriptors | Not Available |
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Ontology |
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Physiological effect | |
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Disposition | |
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Process | Not Available |
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Role | |
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Physical Properties |
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State | Not Available |
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Experimental Molecular Properties | |
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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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3-Mercapto-2-methylpentanal,1TMS,isomer #1 | CCC(S[Si](C)(C)C)C(C)C=O | 1215.7 | Semi standard non polar | 33892256 | 3-Mercapto-2-methylpentanal,1TMS,isomer #1 | CCC(S[Si](C)(C)C)C(C)C=O | 1200.2 | Standard non polar | 33892256 | 3-Mercapto-2-methylpentanal,1TMS,isomer #2 | CCC(S)C(C)=CO[Si](C)(C)C | 1219.1 | Semi standard non polar | 33892256 | 3-Mercapto-2-methylpentanal,1TMS,isomer #2 | CCC(S)C(C)=CO[Si](C)(C)C | 1143.9 | Standard non polar | 33892256 | 3-Mercapto-2-methylpentanal,2TMS,isomer #1 | CCC(S[Si](C)(C)C)C(C)=CO[Si](C)(C)C | 1384.6 | Semi standard non polar | 33892256 | 3-Mercapto-2-methylpentanal,2TMS,isomer #1 | CCC(S[Si](C)(C)C)C(C)=CO[Si](C)(C)C | 1367.5 | Standard non polar | 33892256 | 3-Mercapto-2-methylpentanal,1TBDMS,isomer #1 | CCC(S[Si](C)(C)C(C)(C)C)C(C)C=O | 1441.4 | Semi standard non polar | 33892256 | 3-Mercapto-2-methylpentanal,1TBDMS,isomer #1 | CCC(S[Si](C)(C)C(C)(C)C)C(C)C=O | 1452.7 | Standard non polar | 33892256 | 3-Mercapto-2-methylpentanal,1TBDMS,isomer #2 | CCC(S)C(C)=CO[Si](C)(C)C(C)(C)C | 1436.3 | Semi standard non polar | 33892256 | 3-Mercapto-2-methylpentanal,1TBDMS,isomer #2 | CCC(S)C(C)=CO[Si](C)(C)C(C)(C)C | 1385.5 | Standard non polar | 33892256 | 3-Mercapto-2-methylpentanal,2TBDMS,isomer #1 | CCC(S[Si](C)(C)C(C)(C)C)C(C)=CO[Si](C)(C)C(C)(C)C | 1812.3 | Semi standard non polar | 33892256 | 3-Mercapto-2-methylpentanal,2TBDMS,isomer #1 | CCC(S[Si](C)(C)C(C)(C)C)C(C)=CO[Si](C)(C)C(C)(C)C | 1808.9 | Standard non polar | 33892256 |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted GC-MS | Predicted GC-MS Spectrum - 3-Mercapto-2-methylpentanal GC-MS (Non-derivatized) - 70eV, Positive | splash10-056r-9300000000-760fb299538fc8ad571b | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 3-Mercapto-2-methylpentanal GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | 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 - 3-Mercapto-2-methylpentanal 10V, Positive-QTOF | splash10-001i-5900000000-e06c94d331678356644a | 2016-08-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-methylpentanal 20V, Positive-QTOF | splash10-003r-9500000000-0402a01bd7916775ef79 | 2016-08-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-methylpentanal 40V, Positive-QTOF | splash10-00fu-9000000000-e4989857df44fee7152e | 2016-08-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-methylpentanal 10V, Negative-QTOF | splash10-001j-9800000000-008efcde2f8efe30869a | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-methylpentanal 20V, Negative-QTOF | splash10-001j-9700000000-0387c5c19293a179e3aa | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-methylpentanal 40V, Negative-QTOF | splash10-0a5c-9000000000-1d0982d912380488b962 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-methylpentanal 10V, Positive-QTOF | splash10-0zmi-9700000000-8c4c4a66b1e72c493aa1 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-methylpentanal 20V, Positive-QTOF | splash10-004i-9100000000-8fc6813e40a4aeea9ba2 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-methylpentanal 40V, Positive-QTOF | splash10-0006-9000000000-0919682d94cfca5ea3ba | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-methylpentanal 10V, Negative-QTOF | splash10-001i-3900000000-8b6688d71dcb4b902bb0 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-methylpentanal 20V, Negative-QTOF | splash10-0089-9000000000-21b50ec39403f6b0359b | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-methylpentanal 40V, Negative-QTOF | splash10-001i-9000000000-9f164fc99e4cea87e08e | 2021-09-23 | Wishart Lab | View Spectrum |
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