| 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 17:31:40 UTC |
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| Update Date | 2023-02-21 17:18:53 UTC |
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| HMDB ID | HMDB0029633 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Phenylmethanethiol |
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| Description | Phenylmethanethiol, also known as alpha-mercaptotoluene or alpha-toluenethiol, belongs to the class of organic compounds known as benzene and substituted derivatives. These are aromatic compounds containing one monocyclic ring system consisting of benzene. Phenylmethanethiol is an alliaceous, coffee, and garlic tasting compound. Phenylmethanethiol 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 a significant number of articles have been published on Phenylmethanethiol. |
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| Structure | InChI=1S/C7H8S/c8-6-7-4-2-1-3-5-7/h1-5,8H,6H2 |
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| Synonyms | | Value | Source |
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| (Mercaptomethyl)benzene | ChEBI | | alpha-Mercaptotoluene | ChEBI | | alpha-Toluenethiol | ChEBI | | alpha-Toluolthiol | ChEBI | | Benzenemethanethiol | ChEBI | | Benzyl hydrosulfide | ChEBI | | Benzyl mercaptan | ChEBI | | Benzylthiol | ChEBI | | Phenylmethyl mercaptan | ChEBI | | Thiobenzyl alcohol | ChEBI | | Toluene-alpha-thiol | ChEBI | | a-Mercaptotoluene | Generator | | Α-mercaptotoluene | Generator | | a-Toluenethiol | Generator | | Α-toluenethiol | Generator | | a-Toluolthiol | Generator | | Α-toluolthiol | Generator | | Benzyl hydrosulphide | Generator | | Toluene-a-thiol | Generator | | Toluene-α-thiol | Generator | | (Mercaptomethyl)polystyrene | HMDB | | (Thiomethyl)benzene | HMDB | | a-Toluenethiol, 8ci | HMDB | | alpha -Mercaptotoluene | HMDB | | alpha -Toluenethiol | HMDB | | alpha -Toluolthiol | HMDB | | alpha -Tolyl mercaptan | HMDB | | alpha-mercapto-Toluene | HMDB | | alpha-Tolyl mercaptan | HMDB | | Benzenemethanethiol, 9ci | HMDB | | Benzyl thiol | HMDB | | Benzylhydrosulfide | HMDB | | Dodeoyl benzyl mercaptan | HMDB | | FEMA 2147 | HMDB | | Mercaptomethyl, polymer-bound | HMDB | | Phenyl-methanethiol | HMDB | | Thiol, polymer-bound | HMDB | | Phenylmethanethiol | ChEBI |
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| Chemical Formula | C7H8S |
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| Average Molecular Weight | 124.203 |
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| Monoisotopic Molecular Weight | 124.034670946 |
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| IUPAC Name | phenylmethanethiol |
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| Traditional Name | benzyl mercaptan |
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| CAS Registry Number | 100-53-8 |
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| SMILES | SCC1=CC=CC=C1 |
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| InChI Identifier | InChI=1S/C7H8S/c8-6-7-4-2-1-3-5-7/h1-5,8H,6H2 |
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| InChI Key | UENWRTRMUIOCKN-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as benzene and substituted derivatives. These are aromatic compounds containing one monocyclic ring system consisting of benzene. |
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| Kingdom | Organic compounds |
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| Super Class | Benzenoids |
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| Class | Benzene and substituted derivatives |
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| Sub Class | Not Available |
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| Direct Parent | Benzene and substituted derivatives |
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| Alternative Parents | |
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| Substituents | - Monocyclic benzene moiety
- Alkylthiol
- Hydrocarbon derivative
- Organosulfur compound
- Aromatic homomonocyclic compound
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| Molecular Framework | Aromatic homomonocyclic 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 | |
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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. | 5.12 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 14.9615 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 4.1 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 2065.2 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 598.7 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 232.6 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 405.5 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 303.2 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 630.8 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 | 729.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 487.0 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1282.6 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 471.1 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 | 1254.8 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 433.1 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 468.0 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 604.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 448.7 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 | 96.1 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 - Phenylmethanethiol EI-B (Non-derivatized) | splash10-0006-9100000000-b022260ca59a5bfe044e | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - Phenylmethanethiol EI-B (Non-derivatized) | splash10-0006-9100000000-b022260ca59a5bfe044e | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Phenylmethanethiol GC-MS (Non-derivatized) - 70eV, Positive | splash10-0006-9200000000-f3c0ab92f2cebca14f24 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Phenylmethanethiol 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 - Phenylmethanethiol 10V, Positive-QTOF | splash10-004i-4900000000-788383f89b350e4638b5 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Phenylmethanethiol 20V, Positive-QTOF | splash10-004l-9700000000-c9f80d63c016e421d3f6 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Phenylmethanethiol 40V, Positive-QTOF | splash10-0006-9000000000-398e7c5956a713ca1940 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Phenylmethanethiol 10V, Negative-QTOF | splash10-0079-9600000000-6143e7db76514c4195a8 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Phenylmethanethiol 20V, Negative-QTOF | splash10-00dr-7900000000-4a22e0720f1335eae484 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Phenylmethanethiol 40V, Negative-QTOF | splash10-003r-9000000000-3b683c73deb60e585565 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Phenylmethanethiol 10V, Positive-QTOF | splash10-0006-9300000000-ea60b74b66ff2abaf402 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Phenylmethanethiol 20V, Positive-QTOF | splash10-0006-9000000000-b9bcbc146483c194410f | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Phenylmethanethiol 40V, Positive-QTOF | splash10-016u-9000000000-032c4ac5cb84f269b2e1 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Phenylmethanethiol 10V, Negative-QTOF | splash10-00di-4900000000-12ac39a56c42097f5059 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Phenylmethanethiol 20V, Negative-QTOF | splash10-00di-3900000000-cac231255cf333527059 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Phenylmethanethiol 40V, Negative-QTOF | splash10-004i-9000000000-ee3d463a081060f9e849 | 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]-) | 2023-02-03 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-03 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-03 | 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 | FDB000803 |
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| KNApSAcK ID | Not Available |
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| Chemspider ID | 13851383 |
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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 | Benzyl mercaptan |
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| METLIN ID | Not Available |
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| PubChem Compound | 7509 |
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| PDB ID | Not Available |
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| ChEBI ID | 137674 |
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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 | rw1017561 |
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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 | - Henderson AP, Bleasdale C, Delaney K, Lindstrom AB, Rappaport SM, Waidyanatha S, Watson WP, Golding BT: Evidence for the formation of Michael adducts from reactions of (E,E)-muconaldehyde with glutathione and other thiols. Bioorg Chem. 2005 Oct;33(5):363-73. Epub 2005 Jul 11. [PubMed:16005934 ]
- Muglali MI, Liu J, Bashir A, Borissov D, Xu M, Wang Y, Woll C, Rohwerder M: On the complexation kinetics for metallization of organic layers: palladium onto a pyridine-terminated araliphatic thiol film. Phys Chem Chem Phys. 2012 Apr 14;14(14):4703-12. doi: 10.1039/c2cp40072c. Epub 2012 Feb 29. [PubMed:22377589 ]
- Wood WF, Sollers BG, Dragoo GA, Dragoo JW: Volatile components in defensive spray of the hooded skunk, Mephitis macroura. J Chem Ecol. 2002 Sep;28(9):1865-70. [PubMed:12449512 ]
- Labarbe B, Cheynier V, Brossaud F, Souquet JM, Moutounet M: Quantitative fractionation of grape proanthocyanidins according to their degree of polymerization. J Agric Food Chem. 1999 Jul;47(7):2719-23. [PubMed:10552552 ]
- Pelyvas I, Hasegawa A, Whistler RL: Synthesis of N-trifluoroacetyl-L-acosamine, N-trifluoroacetyl-L-daunosamine, and their 1-thio analogs. Carbohydr Res. 1986 Feb 1;146(2):193-203. [PubMed:3955573 ]
- Hasegawa JY, Hamada M, Miyamoto T, Nishide K, Kajimoto T, Uenishi J, Node M: The application of phenylmethanethiol and benzenethiol derivatives as odorless organosulfur reagents in the synthesis of thiosugars and thioglycosides. Carbohydr Res. 2005 Oct 31;340(15):2360-8. [PubMed:16143318 ]
- (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .
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