| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2012-09-12 03:17:51 UTC |
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| Update Date | 2023-02-21 17:28:51 UTC |
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| HMDB ID | HMDB0041604 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 3-Mercaptopropanoic acid |
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| Description | 3-Mercaptopropanoic acid, also known as 3-thiolpropanoate or 3-thiohydracrylic acid, belongs to the class of organic compounds known as carboxylic acids. Carboxylic acids are compounds containing a carboxylic acid group with the formula -C(=O)OH. 3-Mercaptopropanoic acid exists in all living organisms, ranging from bacteria to humans. 3-Mercaptopropanoic acid is a roasted and sulfurous tasting compound. 3-Mercaptopropanoic acid is a secondary metabolite. Secondary metabolites are metabolically or physiologically non-essential metabolites that may serve a role as defense or signalling molecules. In some cases they are simply molecules that arise from the incomplete metabolism of other secondary metabolites. Based on a literature review very few articles have been published on 3-Mercaptopropanoic acid. |
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| Structure | InChI=1S/C3H6O2S/c4-3(5)1-2-6/h6H,1-2H2,(H,4,5) |
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| Synonyms | | Value | Source |
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| 2-Mercaptoethanecarboxylic acid | ChEBI | | 3-Mercaptopropionic acid | ChEBI | | 3-Thiohydracrylic acid | ChEBI | | 3-Thiolpropanoic acid | ChEBI | | 3-Thiopropanoic acid | ChEBI | | 3-Thiopropionic acid | ChEBI | | 3MPA | ChEBI | | beta-Mercaptopropionic acid | ChEBI | | beta-Thiopropionic acid | ChEBI | | 2-Mercaptoethanecarboxylate | Generator | | 3-Mercaptopropionate | Generator | | 3-Thiohydracrylate | Generator | | 3-Thiolpropanoate | Generator | | 3-Thiopropanoate | Generator | | 3-Thiopropionate | Generator | | b-Mercaptopropionate | Generator | | b-Mercaptopropionic acid | Generator | | beta-Mercaptopropionate | Generator | | Β-mercaptopropionate | Generator | | Β-mercaptopropionic acid | Generator | | b-Thiopropionate | Generator | | b-Thiopropionic acid | Generator | | beta-Thiopropionate | Generator | | Β-thiopropionate | Generator | | Β-thiopropionic acid | Generator | | 3-Mercaptopropanoate | Generator | | 3-Mercaptopropanoic acid, 9ci | HMDB | | Thiohydracrylic acid | HMDB | | 3 Mercaptopropanoic acid | MeSH, HMDB | | Acid, 3-mercaptopropionic | MeSH, HMDB | | 3 Mercaptopropionic acid | MeSH, HMDB | | Acid, 3-mercaptopropanoic | MeSH, HMDB | | beta Mercaptopropionate | MeSH, HMDB |
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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 | 3-sulfanylpropanoic acid |
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| Traditional Name | 3-mercaptopropionic acid |
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| CAS Registry Number | 107-96-0 |
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| SMILES | OC(=O)CCS |
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| InChI Identifier | InChI=1S/C3H6O2S/c4-3(5)1-2-6/h6H,1-2H2,(H,4,5) |
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| InChI Key | DKIDEFUBRARXTE-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as carboxylic acids. Carboxylic acids are compounds containing a carboxylic acid group with the formula -C(=O)OH. |
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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 | Carboxylic acids |
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| Alternative Parents | |
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| Substituents | - Monocarboxylic acid or derivatives
- Carboxylic acid
- 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 Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022. | 2.07 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.071 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 3.37 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 126.0 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1713.1 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 413.9 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 124.4 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 288.7 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 105.5 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 360.0 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 465.7 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 647.8 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 791.7 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 187.4 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 1035.7 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 302.9 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 296.6 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 769.9 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 370.3 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 291.3 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 3-Mercaptopropanoic acid,1TMS,isomer #1 | C[Si](C)(C)OC(=O)CCS | 1080.9 | Semi standard non polar | 33892256 | | 3-Mercaptopropanoic acid,1TMS,isomer #2 | C[Si](C)(C)SCCC(=O)O | 1233.8 | Semi standard non polar | 33892256 | | 3-Mercaptopropanoic acid,2TMS,isomer #1 | C[Si](C)(C)OC(=O)CCS[Si](C)(C)C | 1316.6 | Semi standard non polar | 33892256 | | 3-Mercaptopropanoic acid,2TMS,isomer #1 | C[Si](C)(C)OC(=O)CCS[Si](C)(C)C | 1344.8 | Standard non polar | 33892256 | | 3-Mercaptopropanoic acid,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CCS | 1339.5 | Semi standard non polar | 33892256 | | 3-Mercaptopropanoic acid,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)SCCC(=O)O | 1460.9 | Semi standard non polar | 33892256 | | 3-Mercaptopropanoic acid,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CCS[Si](C)(C)C(C)(C)C | 1772.4 | Semi standard non polar | 33892256 | | 3-Mercaptopropanoic acid,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)CCS[Si](C)(C)C(C)(C)C | 1784.5 | Standard non polar | 33892256 |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Experimental GC-MS | GC-MS Spectrum - 3-Mercaptopropanoic acid EI-B (Non-derivatized) | splash10-0bvi-9200000000-f1549c9afaebf551db48 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - 3-Mercaptopropanoic acid EI-B (Non-derivatized) | splash10-0bvi-9200000000-f1549c9afaebf551db48 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 3-Mercaptopropanoic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-0c00-9100000000-ebbe3d6e9a3cd5dacb05 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 3-Mercaptopropanoic acid GC-MS (1 TMS) - 70eV, Positive | splash10-022i-9300000000-b4c5434a05a98da57b44 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 3-Mercaptopropanoic acid GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 3-Mercaptopropanoic 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 |
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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercaptopropanoic acid 10V, Positive-QTOF | splash10-0a4r-9600000000-b224679480650ede86bf | 2016-08-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercaptopropanoic acid 20V, Positive-QTOF | splash10-0c09-9200000000-50e01f5872a90253cbe3 | 2016-08-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercaptopropanoic acid 40V, Positive-QTOF | splash10-08i0-9000000000-53d62f29be351ebdff1d | 2016-08-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercaptopropanoic acid 10V, Negative-QTOF | splash10-0ab9-9700000000-c55f06c1c84faab1c569 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercaptopropanoic acid 20V, Negative-QTOF | splash10-0a4i-9500000000-3c6f4ec5b0a6bc81b3fd | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercaptopropanoic acid 40V, Negative-QTOF | splash10-001i-9000000000-0d7fd3526d8ad4ed3ade | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercaptopropanoic acid 10V, Positive-QTOF | splash10-000i-9100000000-3962af5fc221a65bdb47 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercaptopropanoic acid 20V, Positive-QTOF | splash10-03di-9000000000-2b094d0504d49a36fb10 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercaptopropanoic acid 40V, Positive-QTOF | splash10-0002-9000000000-730713f50ba822d0bf9c | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercaptopropanoic acid 10V, Negative-QTOF | splash10-001i-9000000000-5b4a9b8fa37acba04a91 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercaptopropanoic acid 20V, Negative-QTOF | splash10-001i-9000000000-942ac689538269d6ca7b | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercaptopropanoic acid 40V, Negative-QTOF | splash10-001i-9000000000-942ac689538269d6ca7b | 2021-09-24 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum |
IR Spectra| Spectrum 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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