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 17:43:48 UTC |
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Update Date | 2023-02-21 17:20:44 UTC |
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HMDB ID | HMDB0031520 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | 2-Mercaptopropanoic acid |
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Description | 2-Mercaptopropanoic acid, also known as 2-thiolactic acid or 2-thiolactate, belongs to the class of organic compounds known as alpha-mercaptocarboxylic acids. These are carboxylic acids that bear a thiol group at the C-2 position. Alpha-mercaptocarboxylic acids have the general formula RC(S)C(=O)O, where R = H, organyl group. 2-Mercaptopropanoic acid is a meaty, roasted, and sulfurous tasting compound. Based on a literature review a significant number of articles have been published on 2-Mercaptopropanoic acid. |
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Structure | InChI=1S/C3H6O2S/c1-2(6)3(4)5/h2,6H,1H3,(H,4,5) |
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Synonyms | Value | Source |
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2-Mercaptopropionic acid | ChEBI | 2-Thiolactic acid | ChEBI | 2-Thiolpropionic acid | ChEBI | alpha-Mercaptopropanoic acid | ChEBI | alpha-Mercaptopropionic acid | ChEBI | Thiolactic acid | ChEBI | 2-Mercaptopropionate | Generator | 2-Thiolactate | Generator | 2-Thiolpropionate | Generator | a-Mercaptopropanoate | Generator | a-Mercaptopropanoic acid | Generator | alpha-Mercaptopropanoate | Generator | Α-mercaptopropanoate | Generator | Α-mercaptopropanoic acid | Generator | a-Mercaptopropionate | Generator | a-Mercaptopropionic acid | Generator | alpha-Mercaptopropionate | Generator | Α-mercaptopropionate | Generator | Α-mercaptopropionic acid | Generator | Thiolactate | Generator | 2-Mercaptopropanoate | Generator | 2-mercapto-Propanoic acid | HMDB | 2-mercapto-Propionic acid | HMDB | 2-Sulfanylpropanoic acid | HMDB | alpha -Mercaptopropanoic acid | HMDB | alpha -Mercaptopropionic acid | HMDB | FEMA 3180 | HMDB | Ammonium thiolactate | MeSH | Thiolactic acid, (S)-isomer | MeSH | Thiolactic acid, disilver salt (+1) | MeSH | Thiolactic acid, monoammonium salt | MeSH | Thiolactic acid, calcium salt (2:1) | MeSH | Thiolactic acid, strontium salt (2:1) | MeSH | Thiolactic acid, (R)-isomer | MeSH | Thiolactic acid, monolithium salt | MeSH |
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Chemical Formula | C3H6O2S |
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Average Molecular Weight | 106.144 |
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Monoisotopic Molecular Weight | 106.008850126 |
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IUPAC Name | 2-sulfanylpropanoic acid |
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Traditional Name | thiolactic acid |
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CAS Registry Number | 79-42-5 |
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SMILES | CC(S)C(O)=O |
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InChI Identifier | InChI=1S/C3H6O2S/c1-2(6)3(4)5/h2,6H,1H3,(H,4,5) |
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InChI Key | PMNLUUOXGOOLSP-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as alpha-mercaptocarboxylic acids. These are carboxylic acids that bear a thiol group at the C-2 position. Alpha-mercaptocarboxylic acids have the general formula RC(S)C(=O)O, where R = H, organyl group. |
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Kingdom | Organic compounds |
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Super Class | Organic acids and derivatives |
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Class | Carboxylic acids and derivatives |
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Sub Class | Carboxylic acids |
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Direct Parent | alpha-Mercaptocarboxylic acids |
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Alternative Parents | |
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Substituents | - 2-mercaptocarboxylic acid
- Monocarboxylic acid or derivatives
- Alkylthiol
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organosulfur compound
- Organooxygen compound
- Carbonyl group
- 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 | Not Available |
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Role | |
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Physical Properties |
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State | Liquid |
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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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2-Mercaptopropanoic acid,1TMS,isomer #1 | CC(S)C(=O)O[Si](C)(C)C | 975.5 | Semi standard non polar | 33892256 | 2-Mercaptopropanoic acid,1TMS,isomer #2 | CC(S[Si](C)(C)C)C(=O)O | 1146.2 | Semi standard non polar | 33892256 | 2-Mercaptopropanoic acid,2TMS,isomer #1 | CC(S[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1218.2 | Semi standard non polar | 33892256 | 2-Mercaptopropanoic acid,2TMS,isomer #1 | CC(S[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1171.4 | Standard non polar | 33892256 | 2-Mercaptopropanoic acid,1TBDMS,isomer #1 | CC(S)C(=O)O[Si](C)(C)C(C)(C)C | 1214.1 | Semi standard non polar | 33892256 | 2-Mercaptopropanoic acid,1TBDMS,isomer #2 | CC(S[Si](C)(C)C(C)(C)C)C(=O)O | 1397.2 | Semi standard non polar | 33892256 | 2-Mercaptopropanoic acid,2TBDMS,isomer #1 | CC(S[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 1647.3 | Semi standard non polar | 33892256 | 2-Mercaptopropanoic acid,2TBDMS,isomer #1 | CC(S[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 1621.7 | 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 - 2-Mercaptopropanoic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-08ou-9100000000-1ddf1e7864794c2a9d67 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 2-Mercaptopropanoic acid GC-MS (1 TMS) - 70eV, Positive | splash10-024r-9300000000-c8b327dd622ce8610af7 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 2-Mercaptopropanoic acid 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 - 2-Mercaptopropanoic acid 10V, Positive-QTOF | splash10-000i-9200000000-8e01a7bcebf854db93b8 | 2015-04-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Mercaptopropanoic acid 20V, Positive-QTOF | splash10-08g0-9100000000-6a8bb0d8374bd2086a27 | 2015-04-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Mercaptopropanoic acid 40V, Positive-QTOF | splash10-0a4r-9000000000-32e7619d6cd6cc5ac61e | 2015-04-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Mercaptopropanoic acid 10V, Negative-QTOF | splash10-0a4i-6900000000-82a7fd269418d8e68299 | 2015-04-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Mercaptopropanoic acid 20V, Negative-QTOF | splash10-052r-9300000000-05b84a2072b802d6d685 | 2015-04-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Mercaptopropanoic acid 40V, Negative-QTOF | splash10-0fer-9000000000-54b8055a55c3e7f9c304 | 2015-04-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Mercaptopropanoic acid 10V, Positive-QTOF | splash10-06ri-9300000000-6c6126220fa27a3b87f2 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Mercaptopropanoic acid 20V, Positive-QTOF | splash10-03di-9000000000-ff9c437be9955d96c16e | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Mercaptopropanoic acid 40V, Positive-QTOF | splash10-03di-9000000000-837019e0985800dc60db | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Mercaptopropanoic acid 10V, Negative-QTOF | splash10-0a4i-2900000000-df5a3761ea71e7c2a207 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Mercaptopropanoic acid 20V, Negative-QTOF | splash10-053r-9100000000-6fefeb2e7bef315a22de | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Mercaptopropanoic acid 40V, Negative-QTOF | splash10-001i-9000000000-6f2915ed00c7319209c6 | 2021-09-22 | 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) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-16 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-16 | 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+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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