| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2012-09-13 11:40:56 UTC |
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| Update Date | 2023-02-21 17:28:58 UTC |
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| HMDB ID | HMDB0041820 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 8-Oxoguanine |
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| Description | 8-Oxoguanine belongs to the class of organic compounds known as purinones. These are purines in which the purine moiety bears a C=O group. Purine is a bicyclic aromatic compound made up of a pyrimidine ring fused to an imidazole ring. 8-Oxoguanine has been detected, but not quantified in, a few different foods, such as anatidaes (Anatidae), chickens (Gallus gallus), and domestic pigs (Sus scrofa domestica). This could make 8-oxoguanine a potential biomarker for the consumption of these foods. Based on a literature review a significant number of articles have been published on 8-Oxoguanine. |
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| Structure | OC1=NC(=N)N=C2NC(=O)N=C12 InChI=1S/C5H3N5O2/c6-4-8-2-1(3(11)10-4)7-5(12)9-2/h(H3,6,8,9,10,11,12) |
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| Synonyms | | Value | Source |
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| 2-Amino-1H-purine-6,8-dione | HMDB | | 8-Oxyguanine | HMDB |
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| Chemical Formula | C5H3N5O2 |
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| Average Molecular Weight | 165.1096 |
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| Monoisotopic Molecular Weight | 165.028674365 |
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| IUPAC Name | 6-hydroxy-2-imino-8,9-dihydro-2H-purin-8-one |
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| Traditional Name | 8-oxoguanine |
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| CAS Registry Number | 82014-86-6 |
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| SMILES | OC1=NC(=N)N=C2NC(=O)N=C12 |
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| InChI Identifier | InChI=1S/C5H3N5O2/c6-4-8-2-1(3(11)10-4)7-5(12)9-2/h(H3,6,8,9,10,11,12) |
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| InChI Key | UBKVUFQGVWHZIR-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as purinones. These are purines in which the purine moiety bears a C=O group. Purine is a bicyclic aromatic compound made up of a pyrimidine ring fused to an imidazole ring. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Imidazopyrimidines |
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| Sub Class | Purines and purine derivatives |
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| Direct Parent | Purinones |
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| Alternative Parents | |
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| Substituents | - Purinone
- Hydropyrimidine
- 2,5-dihydropyrimidine
- 3-imidazoline
- Carbonic acid derivative
- Amidine
- Carboxylic acid amidine
- Carboximidamide
- Propargyl-type 1,3-dipolar organic compound
- Organic 1,3-dipolar compound
- Azacycle
- Organonitrogen compound
- Organic oxide
- Imine
- Organopnictogen compound
- Organooxygen compound
- Hydrocarbon derivative
- Carbonyl group
- Organic nitrogen compound
- Organic oxygen compound
- Aliphatic heteropolycyclic compound
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| Molecular Framework | Aliphatic heteropolycyclic 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 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. | -0.05 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 10.534 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 4.98 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 88.4 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1143.0 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 377.0 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 73.7 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 | 90.5 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 275.8 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 | 394.6 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 412.9 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 712.9 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 151.1 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 | 1028.4 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 242.3 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 272.7 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 770.1 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 242.4 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 | 286.7 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 8-Oxoguanine,1TMS,isomer #1 | C[Si](C)(C)OC1=NC(=N)N=C2NC(=O)N=C21 | 2276.6 | Semi standard non polar | 33892256 | | 8-Oxoguanine,1TMS,isomer #2 | C[Si](C)(C)N=C1N=C(O)C2=NC(=O)NC2=N1 | 2241.2 | Semi standard non polar | 33892256 | | 8-Oxoguanine,1TMS,isomer #3 | C[Si](C)(C)N1C(=O)N=C2C(O)=NC(=N)N=C21 | 2193.1 | Semi standard non polar | 33892256 | | 8-Oxoguanine,2TMS,isomer #1 | C[Si](C)(C)N=C1N=C2NC(=O)N=C2C(O[Si](C)(C)C)=N1 | 2248.3 | Semi standard non polar | 33892256 | | 8-Oxoguanine,2TMS,isomer #1 | C[Si](C)(C)N=C1N=C2NC(=O)N=C2C(O[Si](C)(C)C)=N1 | 2049.3 | Standard non polar | 33892256 | | 8-Oxoguanine,2TMS,isomer #2 | C[Si](C)(C)OC1=NC(=N)N=C2C1=NC(=O)N2[Si](C)(C)C | 2173.2 | Semi standard non polar | 33892256 | | 8-Oxoguanine,2TMS,isomer #2 | C[Si](C)(C)OC1=NC(=N)N=C2C1=NC(=O)N2[Si](C)(C)C | 2050.4 | Standard non polar | 33892256 | | 8-Oxoguanine,2TMS,isomer #3 | C[Si](C)(C)N=C1N=C(O)C2=NC(=O)N([Si](C)(C)C)C2=N1 | 2110.7 | Semi standard non polar | 33892256 | | 8-Oxoguanine,2TMS,isomer #3 | C[Si](C)(C)N=C1N=C(O)C2=NC(=O)N([Si](C)(C)C)C2=N1 | 2098.7 | Standard non polar | 33892256 | | 8-Oxoguanine,3TMS,isomer #1 | C[Si](C)(C)N=C1N=C(O[Si](C)(C)C)C2=NC(=O)N([Si](C)(C)C)C2=N1 | 2133.6 | Semi standard non polar | 33892256 | | 8-Oxoguanine,3TMS,isomer #1 | C[Si](C)(C)N=C1N=C(O[Si](C)(C)C)C2=NC(=O)N([Si](C)(C)C)C2=N1 | 2032.3 | Standard non polar | 33892256 | | 8-Oxoguanine,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=NC(=N)N=C2NC(=O)N=C21 | 2403.7 | Semi standard non polar | 33892256 | | 8-Oxoguanine,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)N=C1N=C(O)C2=NC(=O)NC2=N1 | 2407.5 | Semi standard non polar | 33892256 | | 8-Oxoguanine,1TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N1C(=O)N=C2C(O)=NC(=N)N=C21 | 2337.2 | Semi standard non polar | 33892256 | | 8-Oxoguanine,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N=C1N=C2NC(=O)N=C2C(O[Si](C)(C)C(C)(C)C)=N1 | 2502.3 | Semi standard non polar | 33892256 | | 8-Oxoguanine,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N=C1N=C2NC(=O)N=C2C(O[Si](C)(C)C(C)(C)C)=N1 | 2505.0 | Standard non polar | 33892256 | | 8-Oxoguanine,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=NC(=N)N=C2C1=NC(=O)N2[Si](C)(C)C(C)(C)C | 2428.2 | Semi standard non polar | 33892256 | | 8-Oxoguanine,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=NC(=N)N=C2C1=NC(=O)N2[Si](C)(C)C(C)(C)C | 2510.2 | Standard non polar | 33892256 | | 8-Oxoguanine,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N=C1N=C(O)C2=NC(=O)N([Si](C)(C)C(C)(C)C)C2=N1 | 2457.3 | Semi standard non polar | 33892256 | | 8-Oxoguanine,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)N=C1N=C(O)C2=NC(=O)N([Si](C)(C)C(C)(C)C)C2=N1 | 2557.3 | Standard non polar | 33892256 | | 8-Oxoguanine,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N=C1N=C(O[Si](C)(C)C(C)(C)C)C2=NC(=O)N([Si](C)(C)C(C)(C)C)C2=N1 | 2583.2 | Semi standard non polar | 33892256 | | 8-Oxoguanine,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)N=C1N=C(O[Si](C)(C)C(C)(C)C)C2=NC(=O)N([Si](C)(C)C(C)(C)C)C2=N1 | 2651.3 | Standard non 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 - 8-Oxoguanine GC-MS (Non-derivatized) - 70eV, Positive | splash10-01b9-2900000000-e99f3dd9822e1a78a4cb | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 8-Oxoguanine GC-MS (1 TMS) - 70eV, Positive | splash10-00di-9870000000-c791b36d46cd9f79af83 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 8-Oxoguanine GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 8-Oxoguanine 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 - 8-Oxoguanine 10V, Positive-QTOF | splash10-014i-0900000000-49fdcb115c2330bfaba4 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Oxoguanine 20V, Positive-QTOF | splash10-014i-0900000000-5f8e486e356c71e32636 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Oxoguanine 40V, Positive-QTOF | splash10-01b9-1900000000-347bd9e7e8ffaf28fcd0 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Oxoguanine 10V, Negative-QTOF | splash10-03di-1900000000-ec51c8ce6fdbaa61f9a3 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Oxoguanine 20V, Negative-QTOF | splash10-0006-9300000000-af4aa5c1323cb084f11b | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Oxoguanine 40V, Negative-QTOF | splash10-0006-9000000000-d66d571572d63a249158 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Oxoguanine 10V, Negative-QTOF | splash10-03di-0900000000-e6ab8887b99ffd819d24 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Oxoguanine 20V, Negative-QTOF | splash10-03di-0900000000-e6ab8887b99ffd819d24 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Oxoguanine 40V, Negative-QTOF | splash10-03dl-6900000000-dcce14ef4d49b9ac36d7 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Oxoguanine 10V, Positive-QTOF | splash10-014i-0900000000-6783a1f89318f3eb168a | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Oxoguanine 20V, Positive-QTOF | splash10-014i-0900000000-6783a1f89318f3eb168a | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Oxoguanine 40V, Positive-QTOF | splash10-014i-9500000000-102b909edd37935ce4e2 | 2021-09-22 | 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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