| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2013-01-09 12:11:21 UTC |
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| Update Date | 2023-02-21 17:29:14 UTC |
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| HMDB ID | HMDB0059710 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 2-Hydroxynicotinic acid |
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| Description | 2-Hydroxynicotinic acid, also known as 2-hydroxypyridine-3-carboxylic acid, is a member of the class of compounds known as pyridinecarboxylic acids. Pyridinecarboxylic acids are compounds containing a pyridine ring bearing a carboxylic acid group. 2-Hydroxynicotinic acid is soluble (in water) and a weakly acidic compound (based on its pKa). 2-Hydroxynicotinic acid can be found in urine. 2-Hydroxynicotinic acid is a white to light yellow powder soluble in water. Its melting point is 258-261°C. |
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| Structure | InChI=1S/C6H5NO3/c8-5-4(6(9)10)2-1-3-7-5/h1-3H,(H,7,8)(H,9,10) |
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| Synonyms | | Value | Source |
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| 2-Hydroxynicotinate | Generator | | 1,2-Dihydro-2-oxo-3-pyridinecarboxylic acid | HMDB | | 1,2-Dihydro-2-oxonicotinic acid | HMDB | | 2-Hydroxy-3-carboxypyridine | HMDB | | 2-Hydroxypyridine-3-carboxylic acid | HMDB | | 2-oxo-1,2-Dihydropyridine-3-carboxylic acid | HMDB | | 2-oxo-1H-Pyridine-3-carboxylic acid | HMDB | | 2-Oxopyridine-3-carboxylic acid | HMDB | | 3-Carboxy-2-pyridone | HMDB | | 2-Hydroxypyridine-3-carboxylate | Generator | | 2-Hydroxynicotinic acid | MeSH |
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| Chemical Formula | C6H5NO3 |
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| Average Molecular Weight | 139.1088 |
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| Monoisotopic Molecular Weight | 139.026943031 |
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| IUPAC Name | 2-oxo-1,2-dihydropyridine-3-carboxylic acid |
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| Traditional Name | 2-oxo-1H-pyridine-3-carboxylic acid |
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| CAS Registry Number | 609-71-2 |
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| SMILES | OC(=O)C1=CC=CNC1=O |
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| InChI Identifier | InChI=1S/C6H5NO3/c8-5-4(6(9)10)2-1-3-7-5/h1-3H,(H,7,8)(H,9,10) |
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| InChI Key | UEYQJQVBUVAELZ-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as pyridinecarboxylic acids. Pyridinecarboxylic acids are compounds containing a pyridine ring bearing a carboxylic acid group. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Pyridines and derivatives |
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| Sub Class | Pyridinecarboxylic acids and derivatives |
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| Direct Parent | Pyridinecarboxylic acids |
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| Alternative Parents | |
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| Substituents | - Dihydropyridinecarboxylic acid derivative
- Pyridine carboxylic acid
- Dihydropyridine
- Pyridinone
- Hydropyridine
- Heteroaromatic compound
- Vinylogous amide
- Lactam
- Azacycle
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Organic oxide
- Organopnictogen compound
- Organooxygen compound
- Organonitrogen compound
- Organic oxygen compound
- Organic nitrogen compound
- Hydrocarbon derivative
- Aromatic heteromonocyclic compound
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| Molecular Framework | Aromatic heteromonocyclic compounds |
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| External Descriptors | Not Available |
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| Ontology |
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| Physiological effect | Not Available |
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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 | Solid |
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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 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. | 2.74 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 8.5251 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 3.79 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 665.5 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 311.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 73.9 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 204.1 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 57.5 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 250.3 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 | 258.1 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 119.9 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 558.3 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 71.0 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 | 775.9 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 198.2 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 224.5 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 599.3 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 228.1 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 | 236.6 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 2-Hydroxynicotinic acid,1TMS,isomer #1 | C[Si](C)(C)OC(=O)C1=CC=C[NH]C1=O | 1434.6 | Semi standard non polar | 33892256 | | 2-Hydroxynicotinic acid,1TMS,isomer #2 | C[Si](C)(C)N1C=CC=C(C(=O)O)C1=O | 1610.1 | Semi standard non polar | 33892256 | | 2-Hydroxynicotinic acid,2TMS,isomer #1 | C[Si](C)(C)OC(=O)C1=CC=CN([Si](C)(C)C)C1=O | 1636.2 | Semi standard non polar | 33892256 | | 2-Hydroxynicotinic acid,2TMS,isomer #1 | C[Si](C)(C)OC(=O)C1=CC=CN([Si](C)(C)C)C1=O | 1699.4 | Standard non polar | 33892256 | | 2-Hydroxynicotinic acid,2TMS,isomer #1 | C[Si](C)(C)OC(=O)C1=CC=CN([Si](C)(C)C)C1=O | 1843.6 | Standard polar | 33892256 | | 2-Hydroxynicotinic acid,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C1=CC=C[NH]C1=O | 1673.3 | Semi standard non polar | 33892256 | | 2-Hydroxynicotinic acid,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)N1C=CC=C(C(=O)O)C1=O | 1841.1 | Semi standard non polar | 33892256 | | 2-Hydroxynicotinic acid,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C1=CC=CN([Si](C)(C)C(C)(C)C)C1=O | 2086.9 | Semi standard non polar | 33892256 | | 2-Hydroxynicotinic acid,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C1=CC=CN([Si](C)(C)C(C)(C)C)C1=O | 2092.4 | Standard non polar | 33892256 | | 2-Hydroxynicotinic acid,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)C1=CC=CN([Si](C)(C)C(C)(C)C)C1=O | 2091.3 | Standard polar | 33892256 |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - 2-Hydroxynicotinic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-007a-7900000000-b2139e191039bacd63b7 | 2017-09-20 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 2-Hydroxynicotinic acid GC-MS (2 TMS) - 70eV, Positive | splash10-02mi-9760000000-abb50f497a58b4a9b63a | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 2-Hydroxynicotinic acid 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-Hydroxynicotinic acid 10V, Positive-QTOF | splash10-006x-0900000000-2dd8bfa279cdc766c452 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxynicotinic acid 20V, Positive-QTOF | splash10-00di-2900000000-da984fe53946e3b96d63 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxynicotinic acid 40V, Positive-QTOF | splash10-0v4i-9100000000-73b716b159ebebc11b7a | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxynicotinic acid 10V, Negative-QTOF | splash10-000f-9500000000-a25d100aa1b1e6f900c5 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxynicotinic acid 20V, Negative-QTOF | splash10-0006-9000000000-452f40f674bc4cf31079 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxynicotinic acid 40V, Negative-QTOF | splash10-0006-9000000000-2493e8bdddcf3263cfd1 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxynicotinic acid 10V, Positive-QTOF | splash10-00di-0900000000-b836fff316f62f9faba2 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxynicotinic acid 20V, Positive-QTOF | splash10-00di-4900000000-384bdbd1f134db816acf | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxynicotinic acid 40V, Positive-QTOF | splash10-0udi-9000000000-b4defdbf0944425af698 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxynicotinic acid 10V, Negative-QTOF | splash10-0006-9300000000-6272f79cb6ff473b8c0f | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxynicotinic acid 20V, Negative-QTOF | splash10-0006-9000000000-70602d62de50e26979d8 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxynicotinic acid 40V, Negative-QTOF | splash10-0006-9000000000-c2977a2259c3108701a4 | 2021-09-22 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-24 | 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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