Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2008-08-13 15:46:23 UTC |
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Update Date | 2022-03-07 02:49:34 UTC |
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HMDB ID | HMDB0006855 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | (S)-2-Acetolactate |
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Description | (S)-2-Acetolactate, also known as b-dyn a, belongs to the class of organic compounds known as short-chain keto acids and derivatives. These are keto acids with an alkyl chain the contains less than 6 carbon atoms (S)-2-Acetolactate is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral (S)-2-Acetolactate exists in all living species, ranging from bacteria to humans. Outside of the human body, (S)-2-Acetolactate has been detected, but not quantified in, several different foods, such as european chestnuts, rosemaries, half-highbush blueberries, pineapples, and chinese water chestnuts. This could make (S)-2-acetolactate a potential biomarker for the consumption of these foods. |
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Structure | InChI=1S/C5H8O4/c1-3(6)5(2,9)4(7)8/h9H,1-2H3,(H,7,8)/t5-/m0/s1 |
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Synonyms | Value | Source |
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(S)-2-Hydroxy-2-methyl-3-oxobutanoate | ChEBI | (2S)-2-Hydroxy-2-methyl-3-oxobutanoate | Kegg | (S)-2-Hydroxy-2-methyl-3-oxobutanoic acid | Generator | (2S)-2-Hydroxy-2-methyl-3-oxobutanoic acid | Generator | (S)-2-Acetolactic acid | Generator | 13-Biotinyl-lys-dynorphin a amide (1-13) | HMDB | b-DYN a | HMDB | (S)-alpha-Acetolactic acid | HMDB | (S)-α-Acetolactic acid | HMDB | 2-Acetolactic acid | HMDB | 2-Hydroxy-2-methyl-3-oxobutanoic acid | HMDB | Acetolactic acid | HMDB |
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Chemical Formula | C5H8O4 |
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Average Molecular Weight | 132.1146 |
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Monoisotopic Molecular Weight | 132.042258744 |
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IUPAC Name | (2S)-2-hydroxy-2-methyl-3-oxobutanoic acid |
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Traditional Name | acetolactic acid |
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CAS Registry Number | 71698-08-3 |
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SMILES | CC(=O)[C@](C)(O)C(O)=O |
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InChI Identifier | InChI=1S/C5H8O4/c1-3(6)5(2,9)4(7)8/h9H,1-2H3,(H,7,8)/t5-/m0/s1 |
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InChI Key | NMDWGEGFJUBKLB-YFKPBYRVSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as short-chain keto acids and derivatives. These are keto acids with an alkyl chain the contains less than 6 carbon atoms. |
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Kingdom | Organic compounds |
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Super Class | Organic acids and derivatives |
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Class | Keto acids and derivatives |
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Sub Class | Short-chain keto acids and derivatives |
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Direct Parent | Short-chain keto acids and derivatives |
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Alternative Parents | |
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Substituents | - Beta-keto acid
- Branched fatty acid
- Hydroxy fatty acid
- Short-chain keto acid
- Methyl-branched fatty acid
- Alpha-hydroxy acid
- Fatty acyl
- Acyloin
- Beta-hydroxy ketone
- Hydroxy acid
- Tertiary alcohol
- Alpha-hydroxy ketone
- Ketone
- Carboxylic acid derivative
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carbonyl group
- Alcohol
- Organic oxygen compound
- Organooxygen compound
- Hydrocarbon derivative
- Organic oxide
- 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 | Not Available |
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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 | Solid |
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Experimental Molecular Properties | Property | Value | Reference |
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Melting Point | Not Available | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | Not Available | Not Available | LogP | Not Available | 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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(S)-2-Acetolactate,1TMS,isomer #1 | CC(=O)[C@](C)(O[Si](C)(C)C)C(=O)O | 1211.7 | Semi standard non polar | 33892256 | (S)-2-Acetolactate,1TMS,isomer #2 | CC(=O)[C@](C)(O)C(=O)O[Si](C)(C)C | 1109.3 | Semi standard non polar | 33892256 | (S)-2-Acetolactate,1TMS,isomer #3 | C=C(O[Si](C)(C)C)[C@](C)(O)C(=O)O | 1183.6 | Semi standard non polar | 33892256 | (S)-2-Acetolactate,2TMS,isomer #1 | CC(=O)[C@](C)(O[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1241.3 | Semi standard non polar | 33892256 | (S)-2-Acetolactate,2TMS,isomer #2 | C=C(O[Si](C)(C)C)[C@](C)(O[Si](C)(C)C)C(=O)O | 1305.4 | Semi standard non polar | 33892256 | (S)-2-Acetolactate,2TMS,isomer #3 | C=C(O[Si](C)(C)C)[C@](C)(O)C(=O)O[Si](C)(C)C | 1215.9 | Semi standard non polar | 33892256 | (S)-2-Acetolactate,3TMS,isomer #1 | C=C(O[Si](C)(C)C)[C@](C)(O[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1354.7 | Semi standard non polar | 33892256 | (S)-2-Acetolactate,3TMS,isomer #1 | C=C(O[Si](C)(C)C)[C@](C)(O[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1357.5 | Standard non polar | 33892256 | (S)-2-Acetolactate,3TMS,isomer #1 | C=C(O[Si](C)(C)C)[C@](C)(O[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1341.1 | Standard polar | 33892256 | (S)-2-Acetolactate,1TBDMS,isomer #1 | CC(=O)[C@](C)(O[Si](C)(C)C(C)(C)C)C(=O)O | 1444.9 | Semi standard non polar | 33892256 | (S)-2-Acetolactate,1TBDMS,isomer #2 | CC(=O)[C@](C)(O)C(=O)O[Si](C)(C)C(C)(C)C | 1354.7 | Semi standard non polar | 33892256 | (S)-2-Acetolactate,1TBDMS,isomer #3 | C=C(O[Si](C)(C)C(C)(C)C)[C@](C)(O)C(=O)O | 1414.7 | Semi standard non polar | 33892256 | (S)-2-Acetolactate,2TBDMS,isomer #1 | CC(=O)[C@](C)(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 1690.0 | Semi standard non polar | 33892256 | (S)-2-Acetolactate,2TBDMS,isomer #2 | C=C(O[Si](C)(C)C(C)(C)C)[C@](C)(O[Si](C)(C)C(C)(C)C)C(=O)O | 1749.4 | Semi standard non polar | 33892256 | (S)-2-Acetolactate,2TBDMS,isomer #3 | C=C(O[Si](C)(C)C(C)(C)C)[C@](C)(O)C(=O)O[Si](C)(C)C(C)(C)C | 1692.1 | Semi standard non polar | 33892256 | (S)-2-Acetolactate,3TBDMS,isomer #1 | C=C(O[Si](C)(C)C(C)(C)C)[C@](C)(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 2005.9 | Semi standard non polar | 33892256 | (S)-2-Acetolactate,3TBDMS,isomer #1 | C=C(O[Si](C)(C)C(C)(C)C)[C@](C)(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 1994.3 | Standard non polar | 33892256 | (S)-2-Acetolactate,3TBDMS,isomer #1 | C=C(O[Si](C)(C)C(C)(C)C)[C@](C)(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 1798.0 | Standard 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 - (S)-2-Acetolactate GC-MS (Non-derivatized) - 70eV, Positive | splash10-0006-9000000000-0c1fe460a2ec8a1a255d | 2016-09-22 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - (S)-2-Acetolactate GC-MS (2 TMS) - 70eV, Positive | splash10-0303-9780000000-ed6c7b366835f2a4a9c0 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - (S)-2-Acetolactate 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 - (S)-2-Acetolactate 10V, Positive-QTOF | splash10-001i-5900000000-a14af8bd96fdcce5e84f | 2015-09-14 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (S)-2-Acetolactate 20V, Positive-QTOF | splash10-015l-9400000000-53c1f10a4a9b63a25574 | 2015-09-14 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (S)-2-Acetolactate 40V, Positive-QTOF | splash10-01b9-9000000000-03c96ef4ce31ab174fdd | 2015-09-14 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (S)-2-Acetolactate 10V, Negative-QTOF | splash10-0019-9700000000-641c507686f1b0493bde | 2015-09-15 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (S)-2-Acetolactate 20V, Negative-QTOF | splash10-000i-9000000000-cd68c82882667330e329 | 2015-09-15 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (S)-2-Acetolactate 40V, Negative-QTOF | splash10-0079-9000000000-f0530bd3c4f32baa697c | 2015-09-15 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (S)-2-Acetolactate 10V, Negative-QTOF | splash10-000i-9300000000-0c998add67e750d36bc4 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (S)-2-Acetolactate 20V, Negative-QTOF | splash10-000i-9200000000-3e8a380405cb5b02d1d7 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (S)-2-Acetolactate 40V, Negative-QTOF | splash10-0006-9000000000-aeeb164d9240ff735bc5 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (S)-2-Acetolactate 10V, Positive-QTOF | splash10-00ke-9200000000-c8b983df55a14da2898a | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (S)-2-Acetolactate 20V, Positive-QTOF | splash10-0006-9000000000-79267be0bc618dc8018f | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (S)-2-Acetolactate 40V, Positive-QTOF | splash10-0006-9000000000-cd1679ff8fbd31e9b90f | 2021-09-25 | Wishart Lab | View Spectrum |
NMR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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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, 100 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, 1000 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, 200 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, 300 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, 400 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, 500 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, 600 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, 700 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, 800 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 | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-25 | Wishart Lab | View Spectrum |
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