Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2021-09-23 22:52:29 UTC |
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Update Date | 2021-09-23 22:52:30 UTC |
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HMDB ID | HMDB0303045 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | 5-Hydroxyuracil |
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Description | 5-hydroxyuracil, also known as dihydropyrimidine-2,4,5(3h)-trione or isobarbituric acid, is a member of the class of compounds known as hydroxypyrimidines. Hydroxypyrimidines are organic compounds containing a hydroxyl group attached to a pyrimidine ring. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions. 5-hydroxyuracil is slightly soluble (in water) and a very weakly acidic compound (based on its pKa). 5-hydroxyuracil can be found in broad bean, which makes 5-hydroxyuracil a potential biomarker for the consumption of this food product. 5-hydroxyuracil is an oxidized form of cytosine that is produced by the oxidative deamination of cytosines by reactive oxygen species. It does not distort the DNA molecule and is bypassed by replicative DNA polymerases. It can miscode for adenine and is potentially mutagenic . |
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Structure | InChI=1S/C4H4N2O3/c7-2-1-5-4(9)6-3(2)8/h1,7H,(H2,5,6,8,9) |
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Synonyms | Value | Source |
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Dihydropyrimidine-2,4,5(3H)-trione | ChEBI | Isobarbituric acid | ChEBI | Isobarbitate | Generator | Isobarbitic acid | Generator |
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Chemical Formula | C4H4N2O3 |
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Average Molecular Weight | 128.0862 |
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Monoisotopic Molecular Weight | 128.022192004 |
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IUPAC Name | 5-hydroxy-1,2,3,4-tetrahydropyrimidine-2,4-dione |
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Traditional Name | 5-hydroxyuracil |
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CAS Registry Number | Not Available |
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SMILES | OC1=CNC(=O)NC1=O |
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InChI Identifier | InChI=1S/C4H4N2O3/c7-2-1-5-4(9)6-3(2)8/h1,7H,(H2,5,6,8,9) |
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InChI Key | OFJNVANOCZHTMW-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as hydroxypyrimidines. These are organic compounds containing a hydroxyl group attached to a pyrimidine ring. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions. |
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Kingdom | Organic compounds |
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Super Class | Organoheterocyclic compounds |
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Class | Diazines |
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Sub Class | Pyrimidines and pyrimidine derivatives |
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Direct Parent | Hydroxypyrimidines |
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Alternative Parents | |
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Substituents | - Hydroxypyrimidine
- Heteroaromatic compound
- Azacycle
- Polyol
- Organic nitrogen compound
- Organic oxygen compound
- Organopnictogen compound
- Hydrocarbon derivative
- Organooxygen compound
- Organonitrogen compound
- Aromatic heteromonocyclic compound
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Molecular Framework | Aromatic heteromonocyclic compounds |
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External Descriptors | |
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Ontology |
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Not Available | 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 Kovats Retention IndicesDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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5-Hydroxyuracil,2TMS,isomer #1 | C[Si](C)(C)OC1=CN([Si](C)(C)C)C(=O)[NH]C1=O | 1729.7 | Semi standard non polar | 33892256 | 5-Hydroxyuracil,2TMS,isomer #1 | C[Si](C)(C)OC1=CN([Si](C)(C)C)C(=O)[NH]C1=O | 1753.8 | Standard non polar | 33892256 | 5-Hydroxyuracil,2TMS,isomer #1 | C[Si](C)(C)OC1=CN([Si](C)(C)C)C(=O)[NH]C1=O | 1982.2 | Standard polar | 33892256 | 5-Hydroxyuracil,2TMS,isomer #2 | C[Si](C)(C)OC1=C[NH]C(=O)N([Si](C)(C)C)C1=O | 1672.5 | Semi standard non polar | 33892256 | 5-Hydroxyuracil,2TMS,isomer #2 | C[Si](C)(C)OC1=C[NH]C(=O)N([Si](C)(C)C)C1=O | 1732.7 | Standard non polar | 33892256 | 5-Hydroxyuracil,2TMS,isomer #2 | C[Si](C)(C)OC1=C[NH]C(=O)N([Si](C)(C)C)C1=O | 1907.1 | Standard polar | 33892256 | 5-Hydroxyuracil,2TMS,isomer #3 | C[Si](C)(C)N1C=C(O)C(=O)N([Si](C)(C)C)C1=O | 1693.8 | Semi standard non polar | 33892256 | 5-Hydroxyuracil,2TMS,isomer #3 | C[Si](C)(C)N1C=C(O)C(=O)N([Si](C)(C)C)C1=O | 1741.7 | Standard non polar | 33892256 | 5-Hydroxyuracil,2TMS,isomer #3 | C[Si](C)(C)N1C=C(O)C(=O)N([Si](C)(C)C)C1=O | 2020.2 | Standard polar | 33892256 | 5-Hydroxyuracil,3TMS,isomer #1 | C[Si](C)(C)OC1=CN([Si](C)(C)C)C(=O)N([Si](C)(C)C)C1=O | 1858.3 | Semi standard non polar | 33892256 | 5-Hydroxyuracil,3TMS,isomer #1 | C[Si](C)(C)OC1=CN([Si](C)(C)C)C(=O)N([Si](C)(C)C)C1=O | 1823.9 | Standard non polar | 33892256 | 5-Hydroxyuracil,3TMS,isomer #1 | C[Si](C)(C)OC1=CN([Si](C)(C)C)C(=O)N([Si](C)(C)C)C1=O | 1836.9 | Standard polar | 33892256 | 5-Hydroxyuracil,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CN([Si](C)(C)C(C)(C)C)C(=O)[NH]C1=O | 2198.0 | Semi standard non polar | 33892256 | 5-Hydroxyuracil,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CN([Si](C)(C)C(C)(C)C)C(=O)[NH]C1=O | 2193.1 | Standard non polar | 33892256 | 5-Hydroxyuracil,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CN([Si](C)(C)C(C)(C)C)C(=O)[NH]C1=O | 2172.6 | Standard polar | 33892256 | 5-Hydroxyuracil,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=C[NH]C(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2127.8 | Semi standard non polar | 33892256 | 5-Hydroxyuracil,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=C[NH]C(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2157.6 | Standard non polar | 33892256 | 5-Hydroxyuracil,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=C[NH]C(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2096.5 | Standard polar | 33892256 | 5-Hydroxyuracil,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N1C=C(O)C(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2134.8 | Semi standard non polar | 33892256 | 5-Hydroxyuracil,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N1C=C(O)C(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2160.6 | Standard non polar | 33892256 | 5-Hydroxyuracil,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N1C=C(O)C(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2151.1 | Standard polar | 33892256 | 5-Hydroxyuracil,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CN([Si](C)(C)C(C)(C)C)C(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2398.9 | Semi standard non polar | 33892256 | 5-Hydroxyuracil,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CN([Si](C)(C)C(C)(C)C)C(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2456.2 | Standard non polar | 33892256 | 5-Hydroxyuracil,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CN([Si](C)(C)C(C)(C)C)C(=O)N([Si](C)(C)C(C)(C)C)C1=O | 2180.3 | Standard polar | 33892256 |
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| MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyuracil 10V, Positive-QTOF | splash10-004i-2900000000-7c98db209af74a35673f | 2016-06-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyuracil 20V, Positive-QTOF | splash10-06vr-9700000000-5f609d5f41d3ad58ca81 | 2016-06-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyuracil 40V, Positive-QTOF | splash10-0ab9-9000000000-e8b1bac36c23b484e8fc | 2016-06-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyuracil 10V, Negative-QTOF | splash10-004l-9800000000-47afce14571a38f0a313 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyuracil 20V, Negative-QTOF | splash10-0006-9100000000-b393d7ba3fdf523f21a5 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyuracil 40V, Negative-QTOF | splash10-0006-9000000000-ca85a1bf1d20542f3ae5 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyuracil 10V, Positive-QTOF | splash10-004i-0900000000-29b0b53134d035b235ae | 2021-10-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyuracil 20V, Positive-QTOF | splash10-004i-9800000000-82c2f9c5476ae42d70ba | 2021-10-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyuracil 40V, Positive-QTOF | splash10-0aou-9000000000-c010103cfa38919d0321 | 2021-10-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyuracil 10V, Negative-QTOF | splash10-004l-6900000000-c1f4383276e3eda60a68 | 2021-10-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyuracil 20V, Negative-QTOF | splash10-0006-9000000000-b21221b06476df9dd12b | 2021-10-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 5-Hydroxyuracil 40V, Negative-QTOF | splash10-0006-9000000000-90726b17dc36e29c5299 | 2021-10-21 | Wishart Lab | View Spectrum |
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