| Record Information |
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| Version | 5.0 |
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| Status | Detected and Quantified |
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| Creation Date | 2006-02-23 10:36:27 UTC |
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| Update Date | 2023-02-21 17:15:52 UTC |
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| HMDB ID | HMDB0001865 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 2-Oxovaleric acid |
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| Description | 2-Oxovaleric acid, also known as 2-oxovalerate or a-ketovalerate, belongs to the class of organic compounds known as short-chain keto acids and derivatives. These are keto acids with an alkyl chain the contains less than 6 carbon atoms. 2-Oxovaleric acid has been detected, but not quantified in, several different foods, such as anatidaes (Anatidae), chickens (Gallus gallus), domestic pigs (Sus scrofa domestica), and herbs and spices. This could make 2-oxovaleric acid a potential biomarker for the consumption of these foods. 2-Oxovaleric acid is a secondary metabolite. Secondary metabolites are metabolically or physiologically non-essential metabolites that may serve a role as defense or signalling molecules. In some cases they are simply molecules that arise from the incomplete metabolism of other secondary metabolites. Based on a literature review a significant number of articles have been published on 2-Oxovaleric acid. |
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| Structure | InChI=1S/C5H8O3/c1-2-3-4(6)5(7)8/h2-3H2,1H3,(H,7,8) |
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| Synonyms | | Value | Source |
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| 2-Ketopentanoic acid | ChEBI | | 2-Oxovalerate | ChEBI | | alpha-Ketovaleric acid | ChEBI | | 2-Oxopentanoate | Kegg | | 2-Ketopentanoate | Generator | | a-Ketovalerate | Generator | | a-Ketovaleric acid | Generator | | alpha-Ketovalerate | Generator | | Α-ketovalerate | Generator | | Α-ketovaleric acid | Generator | | 2-Oxopentanoic acid | Generator | | .alpha.-keto-N-valeric acid | HMDB | | 2-keto Valeric acid | HMDB | | 2-keto-N-Valeric acid | HMDB | | 2-Ketovaleric acid | HMDB | | 2-oxo-N-Valeric acid | HMDB | | 2-oxo-Pentanoate | HMDB | | 2-oxo-Pentanoic acid | HMDB | | 2-oxo-Valeric acid | HMDB | | a-keto-Valeric acid | HMDB | | a-oxo-N-Valeric acid | HMDB | | a-Oxopentanoate | HMDB | | a-Oxopentanoic acid | HMDB | | a-Oxovaleric acid | HMDB | | alpha-keto-Valeric acid | HMDB | | alpha-oxo-N-Valeric acid | HMDB | | alpha-Oxopentanoate | HMDB | | alpha-Oxopentanoic acid | HMDB | | alpha-Oxovaleric acid | HMDB | | 2-Ketopentanoic acid, sodium salt | MeSH, HMDB | | 2-Ketovalerate | MeSH, HMDB | | 2-Oxovaleric acid | ChEBI | | 2-Keto valerate | Generator, HMDB |
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| Chemical Formula | C5H8O3 |
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| Average Molecular Weight | 116.1152 |
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| Monoisotopic Molecular Weight | 116.047344122 |
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| IUPAC Name | 2-oxopentanoic acid |
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| Traditional Name | α-oxopentanoic acid |
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| CAS Registry Number | 1821-02-9 |
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| SMILES | CCCC(=O)C(O)=O |
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| InChI Identifier | InChI=1S/C5H8O3/c1-2-3-4(6)5(7)8/h2-3H2,1H3,(H,7,8) |
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| InChI Key | KDVFRMMRZOCFLS-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as short-chain keto acids and derivatives. These are keto acids with an alkyl chain the contains less than 6 carbon atoms. |
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| Kingdom | Organic compounds |
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| Super Class | Organic acids and derivatives |
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| Class | Keto acids and derivatives |
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| Sub Class | Short-chain keto acids and derivatives |
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| Direct Parent | Short-chain keto acids and derivatives |
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| Alternative Parents | |
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| Substituents | - Branched fatty acid
- Methyl-branched fatty acid
- Short-chain keto acid
- Alpha-keto acid
- Fatty acyl
- Alpha-hydroxy ketone
- Ketone
- Carboxylic acid derivative
- Carboxylic acid
- Monocarboxylic acid or derivatives
- Carbonyl group
- Hydrocarbon derivative
- Organic oxygen compound
- Organooxygen compound
- Organic oxide
- 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 | Not Available |
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| Physical Properties |
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| State | Liquid |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | 6.5 °C | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | 0.35 | 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. | 2.5 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 10.9156 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.4 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 57.7 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1411.5 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 376.4 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 120.7 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 245.7 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 111.9 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 368.5 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 | 441.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 112.9 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 819.6 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 312.2 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 | 1041.9 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 245.8 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 325.4 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 508.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 278.7 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 | 133.9 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 2-Oxovaleric acid,1TMS,isomer #1 | CCCC(=O)C(=O)O[Si](C)(C)C | 1093.9 | Semi standard non polar | 33892256 | | 2-Oxovaleric acid,1TMS,isomer #2 | CCC=C(O[Si](C)(C)C)C(=O)O | 1195.9 | Semi standard non polar | 33892256 | | 2-Oxovaleric acid,2TMS,isomer #1 | CCC=C(O[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1293.8 | Semi standard non polar | 33892256 | | 2-Oxovaleric acid,2TMS,isomer #1 | CCC=C(O[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1209.9 | Standard non polar | 33892256 | | 2-Oxovaleric acid,2TMS,isomer #1 | CCC=C(O[Si](C)(C)C)C(=O)O[Si](C)(C)C | 1253.8 | Standard polar | 33892256 | | 2-Oxovaleric acid,1TBDMS,isomer #1 | CCCC(=O)C(=O)O[Si](C)(C)C(C)(C)C | 1311.0 | Semi standard non polar | 33892256 | | 2-Oxovaleric acid,1TBDMS,isomer #2 | CCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O | 1433.2 | Semi standard non polar | 33892256 | | 2-Oxovaleric acid,2TBDMS,isomer #1 | CCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 1694.1 | Semi standard non polar | 33892256 | | 2-Oxovaleric acid,2TBDMS,isomer #1 | CCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 1609.4 | Standard non polar | 33892256 | | 2-Oxovaleric acid,2TBDMS,isomer #1 | CCC=C(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 1589.0 | Standard polar | 33892256 |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Experimental GC-MS | GC-MS Spectrum - 2-Oxovaleric acid GC-MS (1 MEOX; 1 TMS) | splash10-000i-9300000000-96a7ebfdbd404be36517 | 2014-06-16 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - 2-Oxovaleric acid GC-MS (1 MEOX; 1 TMS) | splash10-000i-9810000000-cc08c7d71aba07e3e65d | 2014-06-16 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - 2-Oxovaleric acid GC-MS (Non-derivatized) | splash10-000i-9300000000-96a7ebfdbd404be36517 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - 2-Oxovaleric acid GC-MS (Non-derivatized) | splash10-000i-9810000000-cc08c7d71aba07e3e65d | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - 2-Oxovaleric acid GC-EI-TOF (Non-derivatized) | splash10-0f79-5920000000-f8deef57fbffab1b3d2b | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Experimental GC-MS | GC-MS Spectrum - 2-Oxovaleric acid GC-EI-TOF (Non-derivatized) | splash10-000i-9300000000-94bb5035832a9e9d4c6f | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 2-Oxovaleric acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-0096-9000000000-c76e9cdf847d8c82b9a1 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 2-Oxovaleric acid GC-MS (1 TMS) - 70eV, Positive | splash10-00di-9200000000-d0413680f3a4b68185de | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 2-Oxovaleric acid GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 2-Oxovaleric 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 - 2-Oxovaleric acid LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Negative-QTOF | splash10-014i-0900000000-7c7943d1e8d06f13ee5c | 2012-08-31 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 2-Oxovaleric acid LC-ESI-QTOF , negative-QTOF | splash10-014i-0900000000-7c7943d1e8d06f13ee5c | 2017-09-14 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxovaleric acid 10V, Positive-QTOF | splash10-01ba-9400000000-4f8f69aa2a633140f460 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxovaleric acid 20V, Positive-QTOF | splash10-007p-9100000000-97de63a0bf69f3b4c92a | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxovaleric acid 40V, Positive-QTOF | splash10-0006-9000000000-caa12f5aa38fccf4e80b | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxovaleric acid 10V, Negative-QTOF | splash10-014i-6900000000-8e2f6f86655f562806de | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxovaleric acid 20V, Negative-QTOF | splash10-01ba-9200000000-87060e9d05b7a467cd68 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxovaleric acid 40V, Negative-QTOF | splash10-0006-9000000000-4f1165fe6fa8ada623a1 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxovaleric acid 10V, Positive-QTOF | splash10-006x-9000000000-5d9ee9dd00b39a9fbf08 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxovaleric acid 20V, Positive-QTOF | splash10-0006-9000000000-6616ded1418d6de0a7d6 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxovaleric acid 40V, Positive-QTOF | splash10-0006-9000000000-dd6f23591b3e1df18117 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxovaleric acid 10V, Negative-QTOF | splash10-014i-1900000000-c7997cbb01c80cfa3e43 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxovaleric acid 20V, Negative-QTOF | splash10-014i-9000000000-36ceafbef1e054585185 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Oxovaleric acid 40V, Negative-QTOF | splash10-0006-9000000000-02c6d2915b5749846b62 | 2021-09-24 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| 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 |
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]-) | 2023-02-03 | 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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