| 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 17:43:49 UTC |
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| Update Date | 2023-02-21 17:20:44 UTC |
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| HMDB ID | HMDB0031522 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Mesoxalic acid |
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| Description | Mesoxalic acid, also known as ketomalonic acid or a-ketomalonate, belongs to the class of organic compounds known as dicarboxylic acids and derivatives. These are organic compounds containing exactly two carboxylic acid groups. Mesoxalic acid has been detected, but not quantified in, several different foods, such as breakfast cereal, cereals and cereal products, common peas (Pisum sativum), and herbs and spices. This could make mesoxalic acid a potential biomarker for the consumption of these foods. Based on a literature review a significant number of articles have been published on Mesoxalic acid. |
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| Structure | InChI=1S/C3H2O5/c4-1(2(5)6)3(7)8/h(H,5,6)(H,7,8) |
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| Synonyms | | Value | Source |
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| ALPHA-KETOMALONIC ACID | ChEBI | | Ketomalonic acid | ChEBI | | Oxomalonic acid | Kegg | | a-KETOMALONate | Generator | | a-KETOMALONic acid | Generator | | alpha-KETOMALONate | Generator | | Α-ketomalonate | Generator | | Α-ketomalonic acid | Generator | | Ketomalonate | Generator | | Oxomalonate | Generator | | Mesoxalate | Generator | | 2-Oxomalonic acid | HMDB | | 2-Oxopropanedioic acid | HMDB | | Mesoxalic acid, 8ci | HMDB | | Propanedioic acid, oxo- (9ci) | HMDB | | Mesoxalic acid | ChEBI |
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| Chemical Formula | C3H2O5 |
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| Average Molecular Weight | 118.045 |
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| Monoisotopic Molecular Weight | 117.990223174 |
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| IUPAC Name | 2-oxopropanedioic acid |
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| Traditional Name | mesoxalic acid |
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| CAS Registry Number | 473-90-5 |
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| SMILES | OC(=O)C(=O)C(O)=O |
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| InChI Identifier | InChI=1S/C3H2O5/c4-1(2(5)6)3(7)8/h(H,5,6)(H,7,8) |
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| InChI Key | XEEVLJKYYUVTRC-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as dicarboxylic acids and derivatives. These are organic compounds containing exactly two carboxylic acid groups. |
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| Kingdom | Organic compounds |
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| Super Class | Organic acids and derivatives |
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| Class | Carboxylic acids and derivatives |
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| Sub Class | Dicarboxylic acids and derivatives |
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| Direct Parent | Dicarboxylic acids and derivatives |
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| Alternative Parents | |
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| Substituents | - Keto acid
- Dicarboxylic acid or derivatives
- Alpha-keto acid
- Alpha-hydroxy ketone
- Ketone
- Carboxylic acid
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | |
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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 | |
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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 | 1000000 mg/L @ 25 °C (est) | The Good Scents Company Information System | | 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. | 1.86 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 9.6909 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 4.69 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 239.7 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 894.1 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 392.7 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 95.1 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 285.7 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 116.4 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 289.3 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 | 324.2 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 614.3 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 639.8 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 93.7 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 | 879.1 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 252.9 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 340.5 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 789.9 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 316.9 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 | 408.8 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized |
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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 - Mesoxalic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-00dl-9200000000-7f3187d48fd7cdaaa7c4 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Mesoxalic acid GC-MS (2 TMS) - 70eV, Positive | splash10-00dj-8910000000-61bed3d466b74650f63f | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Mesoxalic 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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| Experimental LC-MS/MS | LC-MS/MS Spectrum - Mesoxalic acid 20V, Negative-QTOF | splash10-074j-9000000000-913aeab7c908127f50d2 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Mesoxalic acid 10V, Negative-QTOF | splash10-00xr-9600000000-62124ac2f91282944607 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - Mesoxalic acid 40V, Negative-QTOF | splash10-004i-9000000000-3a8b99efe83ad9755764 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Mesoxalic acid 10V, Positive-QTOF | splash10-014i-0900000000-c19217750b6232bee143 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Mesoxalic acid 20V, Positive-QTOF | splash10-014i-1900000000-1a80bc24684415bcd793 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Mesoxalic acid 40V, Positive-QTOF | splash10-016r-9500000000-4b6aa572aec4dd8647f0 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Mesoxalic acid 10V, Negative-QTOF | splash10-01b9-6900000000-1a7307b6f229e9a80502 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Mesoxalic acid 20V, Negative-QTOF | splash10-01b9-8900000000-b9108b694f36f7316094 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Mesoxalic acid 40V, Negative-QTOF | splash10-00di-9000000000-a364a9226599a44b9d25 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Mesoxalic acid 10V, Negative-QTOF | splash10-00di-9000000000-c6f38ec60bcf8724ecd1 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Mesoxalic acid 20V, Negative-QTOF | splash10-00di-9000000000-c6f38ec60bcf8724ecd1 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Mesoxalic acid 40V, Negative-QTOF | splash10-00di-9000000000-d3496f5f0ee9812df0ad | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Mesoxalic acid 10V, Positive-QTOF | splash10-0udi-9800000000-32883d33fe30e57cd56e | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Mesoxalic acid 20V, Positive-QTOF | splash10-052f-9000000000-943ce208216c1ca7e5fd | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Mesoxalic acid 40V, Positive-QTOF | splash10-0006-9000000000-79ca31c8c933a6d983c6 | 2021-09-23 | 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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