Record Information |
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Version | 2.0 |
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Created at | 2006-02-21 08:10:09 UTC |
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Updated at | 2020-11-24 22:19:14 UTC |
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NP-MRD ID | NP0000901 |
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Secondary Accession Numbers | None |
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Natural Product Identification |
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Common Name | 5-Hydroxytryptophol |
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Description | 5-Hydroxytryptophol is a relatively minor metabolite of serotonin that is excreted primarily as the glucuronide conjugate in human urine. 5-Hydroxytryptophol becomes more important quantitatively during alcohol intoxication, when a shift in the metabolism of serotonin occurs from 5-hydroxyindole acetic acid toward increased (15-fold higher) formation of 5-hydroxytryptophol due to the inhibition of aldehyde dehydrogenase by ethanol-derived acetaldehyde. Urinary excretion of 5-hydroxytryptophol has also been shown to be markedly increased for several hours following intake of foods rich in serotonin, such as bananas. Wide interspecies variation has been reported in the metabolism serotonin to 5-hydroxytryptophol; 5-Hydroxytryptophol makes up 35% of the excreted serotonin metabolites in the rat on average and 10 to 20% in several other species. Human UDP-glucuronosyltransferase 1A6 (UGT1A6) plays a predominant role in the glucuronidation of 5-hydroxytryptophol by human liver microsomes. (PMID 15258112 ). |
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Structure | InChI=1S/C10H11NO2/c12-4-3-7-6-11-10-2-1-8(13)5-9(7)10/h1-2,5-6,11-13H,3-4H2 |
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Synonyms | Value | Source |
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5-HTOL | HMDB | 5-Hydroxy-1H-indole-3-ethanol | HMDB | 5-Hydroxy-1H-indole-3-ethanol(9ci) | HMDB | 5-Hydroxy-3-indole | HMDB | 5-Hydroxy-3-indoleacetic acid | HMDB | 5-Hydroxy-indole-acetic acid | HMDB | 5-Hydroxyindoacetic acid | HMDB | 5-Hydroxyindol | HMDB | 5-Hydroxyindolacetate | HMDB | 5-Hydroxyindolacetic acid | HMDB | 5-Hydroxyindole-3-ethanol | HMDB | 5-Hydroxyindole-acetic acid | HMDB | Hydroxyindoleacetic acid | HMDB | Hydroxytryptophol | HMDB |
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Chemical Formula | C10H11NO2 |
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Average Mass | 177.1998 Da |
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Monoisotopic Mass | 177.07898 Da |
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IUPAC Name | 3-(2-hydroxyethyl)-1H-indol-5-ol |
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Traditional Name | hydroxytryptophol |
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CAS Registry Number | 154-02-9 |
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SMILES | OCCC1=CNC2=CC=C(O)C=C12 |
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InChI Identifier | InChI=1S/C10H11NO2/c12-4-3-7-6-11-10-2-1-8(13)5-9(7)10/h1-2,5-6,11-13H,3-4H2 |
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InChI Key | KQROHCSYOGBQGJ-UHFFFAOYSA-N |
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Experimental Spectra |
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| Spectrum Type | Description | Depositor Email | Depositor Organization | Depositor | Deposition Date | View |
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1D NMR | 1H NMR Spectrum (1D, 600 MHz, CD3OD, experimental) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 2D NMR | [1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, CD3OD, experimental) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
| Predicted Spectra |
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| Not Available | Chemical Shift Submissions |
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| Not Available | Species |
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Species of Origin | |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as hydroxyindoles. These are organic compounds containing an indole moiety that carries a hydroxyl group. |
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Kingdom | Organic compounds |
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Super Class | Organoheterocyclic compounds |
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Class | Indoles and derivatives |
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Sub Class | Hydroxyindoles |
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Direct Parent | Hydroxyindoles |
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Alternative Parents | |
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Substituents | - 3-alkylindole
- Hydroxyindole
- Indole
- 1-hydroxy-2-unsubstituted benzenoid
- Substituted pyrrole
- Benzenoid
- Heteroaromatic compound
- Pyrrole
- Azacycle
- Organic oxygen compound
- Alcohol
- Primary alcohol
- Organooxygen compound
- Organonitrogen compound
- Organic nitrogen compound
- Hydrocarbon derivative
- Organopnictogen compound
- Aromatic heteropolycyclic compound
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Molecular Framework | Aromatic heteropolycyclic compounds |
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External Descriptors | |
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Physical Properties |
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State | Solid |
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Experimental 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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Predicted Properties | |
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General References | - Curtius HC, Wolfensberger M, Redweik U, Leimbacher W, Maibach RA, Isler W: Mass fragmentography of 5-hydroxytryptophol and 5-methoxytryptophol in human cerebrospinal fluid. J Chromatogr. 1975 Oct 29;112:523-31. [PubMed:1184685 ]
- Krishnaswamy S, Hao Q, Von Moltke LL, Greenblatt DJ, Court MH: Evaluation of 5-hydroxytryptophol and other endogenous serotonin (5-hydroxytryptamine) analogs as substrates for UDP-glucuronosyltransferase 1A6. Drug Metab Dispos. 2004 Aug;32(8):862-9. [PubMed:15258112 ]
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