| 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 17:47:00 UTC |
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| Update Date | 2023-02-21 17:21:27 UTC |
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| HMDB ID | HMDB0031982 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 3-Mercapto-2-butanone |
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| Description | 3-Mercapto-2-butanone 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. 3-Mercapto-2-butanone is a gassy, meaty, and onion tasting compound. Based on a literature review a significant number of articles have been published on 3-Mercapto-2-butanone. |
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| Structure | InChI=1S/C4H8OS/c1-3(5)4(2)6/h4,6H,1-2H3 |
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| Synonyms | | Value | Source |
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| 3-Sulphanylbutan-2-one | Generator |
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| Chemical Formula | C4H8OS |
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| Average Molecular Weight | 104.171 |
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| Monoisotopic Molecular Weight | 104.029585568 |
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| IUPAC Name | 3-sulfanylbutan-2-one |
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| Traditional Name | 2-butanone, 3-mercapto- |
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| CAS Registry Number | Not Available |
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| SMILES | CC(S)C(C)=O |
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| InChI Identifier | InChI=1S/C4H8OS/c1-3(5)4(2)6/h4,6H,1-2H3 |
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| InChI Key | XLMPYCGSRHSSSX-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
- Alkylthiol
- Organic oxide
- Hydrocarbon derivative
- Organosulfur compound
- 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 | Not Available |
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| Disposition | |
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| Process | Not Available |
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| Role | Not Available |
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| Physical Properties |
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| State | Not Available |
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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 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. | 2.37 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.8099 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.71 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 64.1 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1588.3 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 443.0 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 158.1 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 301.0 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 84.0 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 405.7 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 | 493.3 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 281.7 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 865.8 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 311.5 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 | 1052.7 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 332.8 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 289.7 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 512.7 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 399.6 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 | 104.8 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 3-Mercapto-2-butanone,1TMS,isomer #1 | CC(=O)C(C)S[Si](C)(C)C | 1032.1 | Semi standard non polar | 33892256 | | 3-Mercapto-2-butanone,1TMS,isomer #1 | CC(=O)C(C)S[Si](C)(C)C | 1019.3 | Standard non polar | 33892256 | | 3-Mercapto-2-butanone,1TMS,isomer #2 | CC(S)=C(C)O[Si](C)(C)C | 1152.3 | Semi standard non polar | 33892256 | | 3-Mercapto-2-butanone,1TMS,isomer #2 | CC(S)=C(C)O[Si](C)(C)C | 1059.1 | Standard non polar | 33892256 | | 3-Mercapto-2-butanone,1TMS,isomer #3 | C=C(O[Si](C)(C)C)C(C)S | 973.2 | Semi standard non polar | 33892256 | | 3-Mercapto-2-butanone,1TMS,isomer #3 | C=C(O[Si](C)(C)C)C(C)S | 1020.6 | Standard non polar | 33892256 | | 3-Mercapto-2-butanone,2TMS,isomer #1 | CC(O[Si](C)(C)C)=C(C)S[Si](C)(C)C | 1280.0 | Semi standard non polar | 33892256 | | 3-Mercapto-2-butanone,2TMS,isomer #1 | CC(O[Si](C)(C)C)=C(C)S[Si](C)(C)C | 1189.0 | Standard non polar | 33892256 | | 3-Mercapto-2-butanone,2TMS,isomer #2 | C=C(O[Si](C)(C)C)C(C)S[Si](C)(C)C | 1177.0 | Semi standard non polar | 33892256 | | 3-Mercapto-2-butanone,2TMS,isomer #2 | C=C(O[Si](C)(C)C)C(C)S[Si](C)(C)C | 1203.1 | Standard non polar | 33892256 | | 3-Mercapto-2-butanone,1TBDMS,isomer #1 | CC(=O)C(C)S[Si](C)(C)C(C)(C)C | 1284.0 | Semi standard non polar | 33892256 | | 3-Mercapto-2-butanone,1TBDMS,isomer #1 | CC(=O)C(C)S[Si](C)(C)C(C)(C)C | 1272.8 | Standard non polar | 33892256 | | 3-Mercapto-2-butanone,1TBDMS,isomer #2 | CC(S)=C(C)O[Si](C)(C)C(C)(C)C | 1357.2 | Semi standard non polar | 33892256 | | 3-Mercapto-2-butanone,1TBDMS,isomer #2 | CC(S)=C(C)O[Si](C)(C)C(C)(C)C | 1281.7 | Standard non polar | 33892256 | | 3-Mercapto-2-butanone,1TBDMS,isomer #3 | C=C(O[Si](C)(C)C(C)(C)C)C(C)S | 1203.4 | Semi standard non polar | 33892256 | | 3-Mercapto-2-butanone,1TBDMS,isomer #3 | C=C(O[Si](C)(C)C(C)(C)C)C(C)S | 1217.1 | Standard non polar | 33892256 | | 3-Mercapto-2-butanone,2TBDMS,isomer #1 | CC(O[Si](C)(C)C(C)(C)C)=C(C)S[Si](C)(C)C(C)(C)C | 1706.1 | Semi standard non polar | 33892256 | | 3-Mercapto-2-butanone,2TBDMS,isomer #1 | CC(O[Si](C)(C)C(C)(C)C)=C(C)S[Si](C)(C)C(C)(C)C | 1615.0 | Standard non polar | 33892256 | | 3-Mercapto-2-butanone,2TBDMS,isomer #2 | C=C(O[Si](C)(C)C(C)(C)C)C(C)S[Si](C)(C)C(C)(C)C | 1622.9 | Semi standard non polar | 33892256 | | 3-Mercapto-2-butanone,2TBDMS,isomer #2 | C=C(O[Si](C)(C)C(C)(C)C)C(C)S[Si](C)(C)C(C)(C)C | 1636.2 | Standard non polar | 33892256 |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - 3-Mercapto-2-butanone GC-MS (Non-derivatized) - 70eV, Positive | splash10-0006-9000000000-7cffe2fca691cc44d855 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 3-Mercapto-2-butanone 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-Mercapto-2-butanone 10V, Positive-QTOF | splash10-0a4r-9800000000-64ff80c92f47a32ab256 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-butanone 20V, Positive-QTOF | splash10-0a4i-7900000000-6843913ef2fa7ac209ec | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-butanone 40V, Positive-QTOF | splash10-0udr-9000000000-a8f67ac566b925023208 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-butanone 10V, Negative-QTOF | splash10-0udi-4900000000-07b04e004f5ed6a8b116 | 2016-08-04 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-butanone 20V, Negative-QTOF | splash10-0uxr-9600000000-d1dac4eac7efda520370 | 2016-08-04 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-butanone 40V, Negative-QTOF | splash10-00li-9000000000-6348642794985b31a8d3 | 2016-08-04 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-butanone 10V, Negative-QTOF | splash10-0udi-1900000000-b77c6be4f8b4d6dfed00 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-butanone 20V, Negative-QTOF | splash10-0f89-9400000000-c1ff74389d8ed837049a | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-butanone 40V, Negative-QTOF | splash10-001i-9000000000-942ac689538269d6ca7b | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-butanone 10V, Positive-QTOF | splash10-0ab9-9500000000-e0d997511935f730cb99 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-butanone 20V, Positive-QTOF | splash10-03di-9000000000-7e57e85f0f1803dbe65d | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 3-Mercapto-2-butanone 40V, Positive-QTOF | splash10-0006-9000000000-189ffca5c140774051a4 | 2021-09-22 | 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) | 2021-09-16 | 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 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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