| Record Information | 
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| Version | 5.0 | 
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| Status | Detected but not Quantified | 
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| Creation Date | 2021-09-10 21:20:41 UTC | 
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| Update Date | 2021-09-26 22:51:44 UTC | 
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| HMDB ID | HMDB0244161 | 
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| Secondary Accession Numbers | None | 
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| Metabolite Identification | 
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| Common Name | 1,3-Cyclohexanedione | 
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| Description | cyclohexane-1,3-dione, also known as dihydroresorcinol, belongs to the class of organic compounds known as beta-diketones. These are organic compounds containing two keto groups separated by a single carbon atom. cyclohexane-1,3-dione exists in all living organisms, ranging from bacteria to humans. Based on a literature review very few articles have been published on cyclohexane-1,3-dione. This compound has been identified in human blood as reported by (PMID: 31557052  ). 1,3-cyclohexanedione is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically 1,3-Cyclohexanedione is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources. | 
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| Structure | InChI=1S/C6H8O2/c7-5-2-1-3-6(8)4-5/h1-4H2  | 
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| Synonyms | | Value | Source | 
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 | 1,3-Cyclohexanedione | ChEBI |  | Dihydroresorcinol | ChEBI |  
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| Chemical Formula | C6H8O2 | 
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| Average Molecular Weight | 112.128 | 
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| Monoisotopic Molecular Weight | 112.052429498 | 
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| IUPAC Name | cyclohexane-1,3-dione | 
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| Traditional Name | 1,3 cyclohexanedione | 
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| CAS Registry Number | Not Available | 
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| SMILES | O=C1CCCC(=O)C1  | 
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| InChI Identifier | InChI=1S/C6H8O2/c7-5-2-1-3-6(8)4-5/h1-4H2  | 
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| InChI Key | HJSLFCCWAKVHIW-UHFFFAOYSA-N | 
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| Chemical Taxonomy | 
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| Description |  Belongs to the class of organic compounds known as beta-diketones. These are organic compounds containing two keto groups separated by a single carbon atom. | 
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| Kingdom | Organic compounds   | 
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| Super Class | Organic oxygen compounds   | 
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| Class | Organooxygen compounds   | 
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| Sub Class | Carbonyl compounds   | 
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| Direct Parent | Beta-diketones   | 
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| Alternative Parents |  | 
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| Substituents | - 1,3-diketone
 
- Cyclic ketone
 
- Ketone
 
- Organic oxide
 
- Hydrocarbon derivative
 
- Aliphatic homomonocyclic compound
 
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| Molecular Framework | Aliphatic homomonocyclic 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 | 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 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. | 2.74 minutes | 32390414   |  | Predicted by Siyang on May 30, 2022 | 10.0571 minutes | 33406817   |  | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.19 minutes | 32390414   |  | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1362.4 seconds | 40023050   |  | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 366.6 seconds | 40023050   |  | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 126.8 seconds | 40023050   |  | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 242.1 seconds | 40023050   |  | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 181.5 seconds | 40023050   |  | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 316.9 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 | 409.8 seconds | 40023050   |  | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 111.1 seconds | 40023050   |  | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 839.8 seconds | 40023050   |  | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 277.5 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 | 859.9 seconds | 40023050   |  | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 212.4 seconds | 40023050   |  | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 304.4 seconds | 40023050   |  | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 517.5 seconds | 40023050   |  | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 310.4 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 | 152.0 seconds | 40023050   |  
 Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference | 
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 | 1,3-Cyclohexanedione,1TMS,isomer #1 | C[Si](C)(C)OC1=CC(=O)CCC1 | 1289.9 | Semi standard non polar | 33892256   |  | 1,3-Cyclohexanedione,1TMS,isomer #1 | C[Si](C)(C)OC1=CC(=O)CCC1 | 1234.8 | Standard non polar | 33892256   |  | 1,3-Cyclohexanedione,1TMS,isomer #1 | C[Si](C)(C)OC1=CC(=O)CCC1 | 1625.8 | Standard polar | 33892256   |  | 1,3-Cyclohexanedione,1TMS,isomer #2 | C[Si](C)(C)OC1=CCCC(=O)C1 | 1250.3 | Semi standard non polar | 33892256   |  | 1,3-Cyclohexanedione,1TMS,isomer #2 | C[Si](C)(C)OC1=CCCC(=O)C1 | 1250.5 | Standard non polar | 33892256   |  | 1,3-Cyclohexanedione,1TMS,isomer #2 | C[Si](C)(C)OC1=CCCC(=O)C1 | 1598.5 | Standard polar | 33892256   |  | 1,3-Cyclohexanedione,2TMS,isomer #1 | C[Si](C)(C)OC1=CCCC(O[Si](C)(C)C)=C1 | 1410.2 | Semi standard non polar | 33892256   |  | 1,3-Cyclohexanedione,2TMS,isomer #1 | C[Si](C)(C)OC1=CCCC(O[Si](C)(C)C)=C1 | 1417.8 | Standard non polar | 33892256   |  | 1,3-Cyclohexanedione,2TMS,isomer #1 | C[Si](C)(C)OC1=CCCC(O[Si](C)(C)C)=C1 | 1634.5 | Standard polar | 33892256   |  | 1,3-Cyclohexanedione,2TMS,isomer #2 | C[Si](C)(C)OC1=CCC=C(O[Si](C)(C)C)C1 | 1362.0 | Semi standard non polar | 33892256   |  | 1,3-Cyclohexanedione,2TMS,isomer #2 | C[Si](C)(C)OC1=CCC=C(O[Si](C)(C)C)C1 | 1480.6 | Standard non polar | 33892256   |  | 1,3-Cyclohexanedione,2TMS,isomer #2 | C[Si](C)(C)OC1=CCC=C(O[Si](C)(C)C)C1 | 1622.6 | Standard polar | 33892256   |  | 1,3-Cyclohexanedione,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC(=O)CCC1 | 1536.7 | Semi standard non polar | 33892256   |  | 1,3-Cyclohexanedione,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC(=O)CCC1 | 1470.7 | Standard non polar | 33892256   |  | 1,3-Cyclohexanedione,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CC(=O)CCC1 | 1809.4 | Standard polar | 33892256   |  | 1,3-Cyclohexanedione,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=CCCC(=O)C1 | 1495.7 | Semi standard non polar | 33892256   |  | 1,3-Cyclohexanedione,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=CCCC(=O)C1 | 1468.4 | Standard non polar | 33892256   |  | 1,3-Cyclohexanedione,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=CCCC(=O)C1 | 1795.8 | Standard polar | 33892256   |  | 1,3-Cyclohexanedione,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CCCC(O[Si](C)(C)C(C)(C)C)=C1 | 1855.4 | Semi standard non polar | 33892256   |  | 1,3-Cyclohexanedione,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CCCC(O[Si](C)(C)C(C)(C)C)=C1 | 1797.1 | Standard non polar | 33892256   |  | 1,3-Cyclohexanedione,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=CCCC(O[Si](C)(C)C(C)(C)C)=C1 | 1873.1 | Standard polar | 33892256   |  | 1,3-Cyclohexanedione,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=CCC=C(O[Si](C)(C)C(C)(C)C)C1 | 1806.0 | Semi standard non polar | 33892256   |  | 1,3-Cyclohexanedione,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=CCC=C(O[Si](C)(C)C(C)(C)C)C1 | 1835.5 | Standard non polar | 33892256   |  | 1,3-Cyclohexanedione,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=CCC=C(O[Si](C)(C)C(C)(C)C)C1 | 1852.3 | 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 - 1,3-Cyclohexanedione GC-MS (Non-derivatized) - 70eV, Positive | splash10-0006-9000000000-2df649c0e0d016e20ba1 | 2021-09-24 | Wishart Lab | View Spectrum |  | Predicted GC-MS | Predicted GC-MS Spectrum - 1,3-Cyclohexanedione 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 - 1,3-Cyclohexanedione  35V, Positive-QTOF | splash10-08ml-9400000000-c67b9064422828b7f32a | 2021-09-20 | HMDB team, MONA | View Spectrum |  | Experimental LC-MS/MS | LC-MS/MS Spectrum - 1,3-Cyclohexanedione  35V, Negative-QTOF | splash10-03di-6900000000-35bfbcb330398e1aea59 | 2021-09-20 | HMDB team, MONA | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 1,3-Cyclohexanedione  10V, Positive-QTOF | splash10-03di-2900000000-6dd1fcb3f38ef8fafbec | 2016-08-02 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 1,3-Cyclohexanedione  20V, Positive-QTOF | splash10-03di-7900000000-91ced08019662ffe3e5d | 2016-08-02 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 1,3-Cyclohexanedione  40V, Positive-QTOF | splash10-0006-9000000000-48ecf01faf129d905bb0 | 2016-08-02 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 1,3-Cyclohexanedione  10V, Negative-QTOF | splash10-03di-0900000000-0c6dd18bbd8976d4afec | 2016-08-03 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 1,3-Cyclohexanedione  20V, Negative-QTOF | splash10-03di-1900000000-deab09e0cda538040749 | 2016-08-03 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 1,3-Cyclohexanedione  40V, Negative-QTOF | splash10-0006-9000000000-c525bf2854d9c109864f | 2016-08-03 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 1,3-Cyclohexanedione  10V, Positive-QTOF | splash10-03di-9600000000-062b908919786a2f4715 | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 1,3-Cyclohexanedione  20V, Positive-QTOF | splash10-00kf-9000000000-548d878fec212a76cf83 | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 1,3-Cyclohexanedione  40V, Positive-QTOF | splash10-0006-9000000000-7f97cbace3fb535b8984 | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 1,3-Cyclohexanedione  10V, Negative-QTOF | splash10-03di-3900000000-b09b5282e5f01470857b | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 1,3-Cyclohexanedione  20V, Negative-QTOF | splash10-03dl-9600000000-183f5b359ee61eff0843 | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 1,3-Cyclohexanedione  40V, Negative-QTOF | splash10-0006-9000000000-740d884f90a017ed25a6 | 2021-10-12 | 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) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-10-12 | Wishart Lab | View Spectrum |  
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