Record Information |
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Version | 5.0 |
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Status | Detected and Quantified |
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Creation Date | 2005-11-16 15:48:42 UTC |
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Update Date | 2023-02-21 17:15:40 UTC |
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HMDB ID | HMDB0001398 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | Guaiacol |
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Description | Guaiacol is a phenolic compound with a methoxy group and is the monomethyl ether of catechol. Guaiacol is readily oxidized by the heme iron of peroxidases including the peroxidase of cyclooxygenase (COX) enzymes. It therefore serves as a reducing co-substrate for COX reactions. Guaiacol is a phenolic natural product first isolated from Guaiac resin and the oxidation of lignin. It is a yellowish aromatic oil that is now commonly derived from guaiacum or wood creosote. It is used medicinally as an expectorant, antiseptic, and local anesthetic. Guaiacol is used in traditional dental pulp sedation, and has the property of inducing cell proliferation; guaiacol is a potent scavenger of reactive oxygen radicals and its radical scavenging activity may be associated with its effect on cell proliferation. Guaiacol is also used in the preparation of synthetic vanillin. Guaiacol is also present in wood smoke, as a product of pyrolysis of lignin. Guaiacol has been found in the urine of patients with neuroblastoma and pheochromocytoma. (PMID 4344880 , 16152729 ). |
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Structure | InChI=1S/C7H8O2/c1-9-7-5-3-2-4-6(7)8/h2-5,8H,1H3 |
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Synonyms | Value | Source |
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1-Hydroxy-2-methoxybenzene | ChEBI | 2-Hydroxyanisole | ChEBI | Catechol monomethyl ether | ChEBI | O-Methoxyphenol | ChEBI | Creodon | Kegg | 2-Methoxyphenol | HMDB | 2-Methoxy-phenol | HMDB | Anastil | HMDB | Guaiacol (liquid) extra pure | HMDB | Guaiastil | HMDB | Guaicol | HMDB | Guaicolina | HMDB | Guajakol | HMDB | Guajol | HMDB | Guasol | HMDB | Guiacol | HMDB | Methoxyphenol | HMDB | Methylcatachol | HMDB | Methylcatechol | HMDB | O-Guaiacol | HMDB | O-Hydroxyanisole | HMDB | O-Methoxy-phenol | HMDB | O-Methyl catechol | HMDB | Pyrocatechol monomethyl ether | HMDB | Pyroguaiac acid | HMDB | 2-Hydroxy-anisole | HMDB | Catechol, methyl | HMDB | Methyl catechol | HMDB | 2-Methoxyl-4-vinylphenol | HMDB | Guaiacol | HMDB |
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Chemical Formula | C7H8O2 |
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Average Molecular Weight | 124.139 |
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Monoisotopic Molecular Weight | 124.052429498 |
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IUPAC Name | 2-methoxyphenol |
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Traditional Name | guaiacol |
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CAS Registry Number | 90-05-1 |
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SMILES | COC1=C(O)C=CC=C1 |
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InChI Identifier | InChI=1S/C7H8O2/c1-9-7-5-3-2-4-6(7)8/h2-5,8H,1H3 |
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InChI Key | LHGVFZTZFXWLCP-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as methoxyphenols. Methoxyphenols are compounds containing a methoxy group attached to the benzene ring of a phenol moiety. |
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Kingdom | Organic compounds |
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Super Class | Benzenoids |
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Class | Phenols |
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Sub Class | Methoxyphenols |
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Direct Parent | Methoxyphenols |
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Alternative Parents | |
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Substituents | - Methoxyphenol
- Phenoxy compound
- Methoxybenzene
- Phenol ether
- Anisole
- 1-hydroxy-4-unsubstituted benzenoid
- 1-hydroxy-2-unsubstituted benzenoid
- Alkyl aryl ether
- Monocyclic benzene moiety
- Ether
- Organic oxygen compound
- Hydrocarbon derivative
- Organooxygen compound
- Aromatic homomonocyclic compound
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Molecular Framework | Aromatic homomonocyclic 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 | |
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Role | |
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Physical Properties |
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State | Solid |
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Experimental Molecular Properties | Property | Value | Reference |
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Melting Point | 28 °C | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | 18.7 mg/mL at 15 °C | Not Available | LogP | 1.32 | HANSCH,C ET AL. (1995) |
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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 IndicesUnderivatizedDerivatized |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Experimental GC-MS | GC-MS Spectrum - Guaiacol EI-B (Non-derivatized) | splash10-0a4i-6900000000-49cb804087a42b1d1a22 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Guaiacol EI-B (Non-derivatized) | splash10-0ab9-5900000000-b580cbc25d4176ce3894 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Guaiacol EI-B (Non-derivatized) | splash10-0pir-9700000000-f1436b3de82cff342b65 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Guaiacol EI-B (Non-derivatized) | splash10-05fr-4900000000-c09a31d9523d2eab5598 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Guaiacol GC-EI-TOF (Non-derivatized) | splash10-014i-0900000000-283fdedfda9e853e0cac | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Guaiacol EI-B (Non-derivatized) | splash10-0a4i-6900000000-49cb804087a42b1d1a22 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Guaiacol EI-B (Non-derivatized) | splash10-0ab9-5900000000-b580cbc25d4176ce3894 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Guaiacol EI-B (Non-derivatized) | splash10-0pir-9700000000-f1436b3de82cff342b65 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Guaiacol EI-B (Non-derivatized) | splash10-05fr-4900000000-c09a31d9523d2eab5598 | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Guaiacol GC-EI-TOF (Non-derivatized) | splash10-014i-0900000000-283fdedfda9e853e0cac | 2018-05-18 | HMDB team, MONA, MassBank | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Guaiacol GC-MS (Non-derivatized) - 70eV, Positive | splash10-00di-8900000000-562c1e6a4f3289578f75 | 2016-09-22 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Guaiacol GC-MS (1 TMS) - 70eV, Positive | splash10-0fl0-7900000000-93aa107b2b3f584b3e44 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Guaiacol GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | MS | Mass Spectrum (Electron Ionization) | splash10-0ac0-9800000000-5e89a9881e848e1b6c90 | 2015-03-01 | Not Available | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Experimental LC-MS/MS | LC-MS/MS Spectrum - Guaiacol EI-B (HITACHI RMU-6E) , Positive-QTOF | splash10-0a4i-6900000000-49cb804087a42b1d1a22 | 2012-08-31 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Guaiacol EI-B (HITACHI RMU-6L) , Positive-QTOF | splash10-0ab9-5900000000-b580cbc25d4176ce3894 | 2012-08-31 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Guaiacol EI-B (HITACHI M-80B) , Positive-QTOF | splash10-0pir-9700000000-12606badb77d4257635d | 2012-08-31 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Guaiacol n/a 8V, negative-QTOF | splash10-0a4i-0900000000-053a1c4e865e710614d5 | 2020-07-21 | HMDB team, MONA | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Guaiacol 10V, Positive-QTOF | splash10-004i-0900000000-6b7a2fdf4e9a28ec6045 | 2015-04-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Guaiacol 20V, Positive-QTOF | splash10-004i-2900000000-ff014b7b55a5237cf91e | 2015-04-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Guaiacol 40V, Positive-QTOF | splash10-0udi-9100000000-8785b2e2d86c6294a754 | 2015-04-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Guaiacol 10V, Negative-QTOF | splash10-00di-0900000000-8856c60866e810389af7 | 2015-04-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Guaiacol 20V, Negative-QTOF | splash10-00di-1900000000-8db14d5e5710471f76a7 | 2015-04-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Guaiacol 40V, Negative-QTOF | splash10-0a4i-9400000000-bc0d3592d62ec26dad6f | 2015-04-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Guaiacol 10V, Positive-QTOF | splash10-004i-1900000000-7b4303f129d3e70a570e | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Guaiacol 20V, Positive-QTOF | splash10-00kb-9100000000-3ec9cfe154e8a98b3596 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Guaiacol 40V, Positive-QTOF | splash10-0w29-9000000000-ba9e4cd4adef59feb26e | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Guaiacol 10V, Negative-QTOF | splash10-00di-0900000000-ee9e9b8403f62cfc7fdf | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Guaiacol 20V, Negative-QTOF | splash10-00di-4900000000-d36c74cf39c4ddda0024 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Guaiacol 40V, Negative-QTOF | splash10-0gbc-9000000000-1b43386dae7e3252cd81 | 2021-09-24 | Wishart Lab | View Spectrum |
NMR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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Experimental 1D NMR | 1H NMR Spectrum (1D, 500 MHz, H2O, experimental) | 2012-12-04 | Wishart Lab | View Spectrum | 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 | Experimental 2D NMR | [1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, H2O, experimental) | 2012-12-05 | 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]-) | 2023-02-03 | 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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General References | - Tsibris JC, Virgin SD, Khan-Dawood FS, Langenberg PW, Thomason JL, Spellacy WN: Cervicovaginal peroxidases: markers of the fertile period. Obstet Gynecol. 1986 Mar;67(3):316-20. [PubMed:3003635 ]
- Bieniek G, Kurkiewicz S, Wilczok T, Klimek K, Swiatkowska L, Lusiak A: occupational exposure to aromatic hydrocarbons at a coke plant: Part II. Exposure assessment of volatile organic compounds. J Occup Health. 2004 May;46(3):181-6. [PubMed:15215658 ]
- Ogata N, Shibata T: Binding of alkyl- and alkoxy-substituted simple phenolic compounds to human serum proteins. Res Commun Mol Pathol Pharmacol. 2000;107(1-2):167-73. [PubMed:11334365 ]
- Mutlib AE, Klein JT: Application of liquid chromatography/mass spectrometry in accelerating the identification of human liver cytochrome P450 isoforms involved in the metabolism of iloperidone. J Pharmacol Exp Ther. 1998 Sep;286(3):1285-93. [PubMed:9732390 ]
- Rogers LE, Lyon GM Jr, Porter FS: Spot test for vanillylmandelic acid and other guaiacols in urine of patients with neuroblastoma. Am J Clin Pathol. 1972 Oct;58(4):383-7. [PubMed:4344880 ]
- Pruitt KM, Kamau DN, Miller K, Mansson-Rahemtulla B, Rahemtulla F: Quantitative, standardized assays for determining the concentrations of bovine lactoperoxidase, human salivary peroxidase, and human myeloperoxidase. Anal Biochem. 1990 Dec;191(2):278-86. [PubMed:1964765 ]
- Kupfer A, Lawson J, Branch RA: Stereoselectivity of the arene epoxide pathway of mephenytoin hydroxylation in man. Epilepsia. 1984 Feb;25(1):1-7. [PubMed:6420144 ]
- Mimurai T, Yazaki K, Sawaki K, Ozawa T, Kawaguchi M: Hydroxyl radical scavenging effects of guaiacol used in traditional dental pulp sedation: reaction kinetic study. Biomed Res. 2005 Aug;26(4):139-45. [PubMed:16152729 ]
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