| 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 20:23:49 UTC |
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| Update Date | 2023-02-21 17:24:48 UTC |
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| HMDB ID | HMDB0035418 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 2-Methyl-1-butanethiol |
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| Description | 2-Methyl-1-butanethiol, also known as 1-mercapto-2-methylbutane or 2-methylbutyl mercaptan, belongs to the class of organic compounds known as alkylthiols. These are organic compounds containing the thiol functional group linked to an alkyl chain. Based on a literature review a significant number of articles have been published on 2-Methyl-1-butanethiol. |
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| Structure | InChI=1S/C5H12S/c1-3-5(2)4-6/h5-6H,3-4H2,1-2H3 |
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| Synonyms | | Value | Source |
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| 1-Mercapto-2-methylbutane | HMDB | | 2-Methylbutyl mercaptan | HMDB | | FEMA 3303 | HMDB |
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| Chemical Formula | C5H12S |
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| Average Molecular Weight | 104.214 |
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| Monoisotopic Molecular Weight | 104.065971074 |
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| IUPAC Name | 2-methylbutane-1-thiol |
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| Traditional Name | 2-methyl-1-butanethiol |
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| CAS Registry Number | 1878-18-8 |
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| SMILES | CCC(C)CS |
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| InChI Identifier | InChI=1S/C5H12S/c1-3-5(2)4-6/h5-6H,3-4H2,1-2H3 |
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| InChI Key | WGQKBCSACFQGQY-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
- Hydrocarbon derivative
- 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 | Not Available |
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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 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. | 3.8 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 17.7545 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 3.5 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 91.3 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 2383.0 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 722.5 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 268.3 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 492.8 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 335.7 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 711.5 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 | 776.4 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 694.6 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1378.7 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 464.3 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 | 1539.3 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 509.0 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 432.3 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 683.2 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 612.6 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 | 121.1 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized |
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| Spectra |
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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 - 2-Methyl-1-butanethiol EI-B (Non-derivatized) | splash10-0a6u-9000000000-4003a7b64aa50746bc0b | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - 2-Methyl-1-butanethiol EI-B (Non-derivatized) | splash10-0a6u-9000000000-4003a7b64aa50746bc0b | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 2-Methyl-1-butanethiol GC-MS (Non-derivatized) - 70eV, Positive | splash10-004i-9000000000-3d5107c2e8788ae78e75 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 2-Methyl-1-butanethiol GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 2-Methyl-1-butanethiol 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 - 2-Methyl-1-butanethiol 10V, Positive-QTOF | splash10-0a4i-3900000000-db655c68fc9fdbc7b316 | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-1-butanethiol 20V, Positive-QTOF | splash10-0ab9-6900000000-dd29d7b611770372c0c4 | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-1-butanethiol 40V, Positive-QTOF | splash10-0ab9-9000000000-f885abf6324c955ef492 | 2016-06-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-1-butanethiol 10V, Negative-QTOF | splash10-0udi-1900000000-eb0a5dc840a48094b8ef | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-1-butanethiol 20V, Negative-QTOF | splash10-0udi-2900000000-d47f6a9252671b8e91eb | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-1-butanethiol 40V, Negative-QTOF | splash10-001i-9000000000-9ac4a706ea29d7c2f83b | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-1-butanethiol 10V, Negative-QTOF | splash10-0udi-0900000000-0a4d8d3d934a27cd2d10 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-1-butanethiol 20V, Negative-QTOF | splash10-0udi-1900000000-ba6927e7bfa906cbd7aa | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-1-butanethiol 40V, Negative-QTOF | splash10-001i-9000000000-942ac689538269d6ca7b | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-1-butanethiol 10V, Positive-QTOF | splash10-00di-9100000000-5a91921e071ae4d8f190 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-1-butanethiol 20V, Positive-QTOF | splash10-05fr-9000000000-3c1ee04baed5dcee2dff | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Methyl-1-butanethiol 40V, Positive-QTOF | splash10-052f-9000000000-e33f687238456de144b4 | 2021-09-22 | 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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| Biological Properties |
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| Cellular Locations | |
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| Biospecimen Locations | Not Available |
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| Tissue Locations | Not Available |
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| Pathways | |
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| Normal Concentrations |
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| Not Available |
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| Abnormal Concentrations |
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| Not Available |
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| Associated Disorders and Diseases |
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| Disease References | None |
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| Associated OMIM IDs | None |
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| External Links |
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| DrugBank ID | Not Available |
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| Phenol Explorer Compound ID | Not Available |
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| FooDB ID | FDB014337 |
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| KNApSAcK ID | Not Available |
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| Chemspider ID | 15090 |
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| KEGG Compound ID | Not Available |
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| BioCyc ID | Not Available |
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| BiGG ID | Not Available |
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| Wikipedia Link | Not Available |
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| METLIN ID | Not Available |
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| PubChem Compound | 15877 |
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| PDB ID | Not Available |
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| ChEBI ID | Not Available |
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| Food Biomarker Ontology | Not Available |
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| VMH ID | Not Available |
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| MarkerDB ID | Not Available |
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| Good Scents ID | rw1032241 |
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| References |
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| Synthesis Reference | Not Available |
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| Material Safety Data Sheet (MSDS) | Not Available |
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| General References | - (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .
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