| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2021-09-11 00:25:53 UTC |
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| Update Date | 2021-09-26 22:57:07 UTC |
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| HMDB ID | HMDB0247424 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | 8-Azaxanthine |
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| Description | 8-Azaxanthine, also known as xanthazol, belongs to the class of organic compounds known as triazolopyrimidines. These are polycyclic aromatic compounds containing triazole ring fused to a pyrimidine ring. Triazole is a five-membered ring consisting of two carbon atoms and three nitrogen atoms. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions. Based on a literature review a significant number of articles have been published on 8-Azaxanthine. This compound has been identified in human blood as reported by (PMID: 31557052 ). 8-azaxanthine is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically 8-Azaxanthine 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/C4H3N5O2/c10-3-1-2(8-9-7-1)5-4(11)6-3/h(H3,5,6,7,8,9,10,11) |
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| Synonyms | | Value | Source |
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| 2,3-Dihydrotriazolo[4,5-e]pyrimidine-5,7-dione | ChEBI | | 2,6-Dioxy-8-azapurine | ChEBI | | Azaxanthine | ChEBI | | Xanthazol | ChEBI |
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| Chemical Formula | C4H3N5O2 |
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| Average Molecular Weight | 153.0989 |
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| Monoisotopic Molecular Weight | 153.028674365 |
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| IUPAC Name | 3H-[1,2,3]triazolo[4,5-d]pyrimidine-5,7-diol |
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| Traditional Name | 3H-[1,2,3]triazolo[4,5-d]pyrimidine-5,7-diol |
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| CAS Registry Number | Not Available |
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| SMILES | OC1=NC2=C(N=NN2)C(O)=N1 |
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| InChI Identifier | InChI=1S/C4H3N5O2/c10-3-1-2(8-9-7-1)5-4(11)6-3/h(H3,5,6,7,8,9,10,11) |
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| InChI Key | KVGVQTOQSNJTJI-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as triazolopyrimidines. These are polycyclic aromatic compounds containing triazole ring fused to a pyrimidine ring. Triazole is a five-membered ring consisting of two carbon atoms and three nitrogen atoms. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Triazolopyrimidines |
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| Sub Class | Not Available |
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| Direct Parent | Triazolopyrimidines |
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| Alternative Parents | |
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| Substituents | - Triazolopyrimidine
- Pyrimidone
- Pyrimidine
- Azole
- Triazole
- Heteroaromatic compound
- Vinylogous amide
- 1,2,3-triazole
- Lactam
- Azacycle
- Organic nitrogen compound
- Hydrocarbon derivative
- Organic oxide
- Organopnictogen compound
- Organooxygen compound
- Organonitrogen compound
- Organic oxygen compound
- Aromatic heteropolycyclic compound
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| Molecular Framework | Aromatic heteropolycyclic 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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| Predicted by Siyang on May 30, 2022 | 9.6146 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 3.82 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 537.7 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 374.7 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 56.2 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 263.7 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 122.5 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 311.1 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 | 254.2 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 699.7 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 632.1 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 38.3 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 | 647.2 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 222.5 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 334.8 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 684.3 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 242.6 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 | 237.1 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 8-Azaxanthine,3TMS,isomer #1 | C[Si](C)(C)OC1=NC(O[Si](C)(C)C)=C2N=NN([Si](C)(C)C)C2=N1 | 2060.9 | Semi standard non polar | 33892256 | | 8-Azaxanthine,3TMS,isomer #1 | C[Si](C)(C)OC1=NC(O[Si](C)(C)C)=C2N=NN([Si](C)(C)C)C2=N1 | 1977.5 | Standard non polar | 33892256 | | 8-Azaxanthine,3TMS,isomer #1 | C[Si](C)(C)OC1=NC(O[Si](C)(C)C)=C2N=NN([Si](C)(C)C)C2=N1 | 2683.0 | Standard polar | 33892256 | | 8-Azaxanthine,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=NC(O[Si](C)(C)C(C)(C)C)=C2N=NN([Si](C)(C)C(C)(C)C)C2=N1 | 2581.8 | Semi standard non polar | 33892256 | | 8-Azaxanthine,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=NC(O[Si](C)(C)C(C)(C)C)=C2N=NN([Si](C)(C)C(C)(C)C)C2=N1 | 2611.4 | Standard non polar | 33892256 | | 8-Azaxanthine,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=NC(O[Si](C)(C)C(C)(C)C)=C2N=NN([Si](C)(C)C(C)(C)C)C2=N1 | 2746.2 | 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 - 8-Azaxanthine GC-MS (Non-derivatized) - 70eV, Positive | splash10-0f89-8900000000-5688d990fec5e630d6f2 | 2017-08-28 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 8-Azaxanthine GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 8-Azaxanthine GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 8-Azaxanthine GC-MS (TMS_1_2) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 8-Azaxanthine GC-MS (TMS_1_3) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 8-Azaxanthine GC-MS (TMS_2_1) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 8-Azaxanthine GC-MS (TMS_2_2) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 8-Azaxanthine GC-MS (TMS_2_3) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 8-Azaxanthine GC-MS (TBDMS_1_1) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 8-Azaxanthine GC-MS (TBDMS_1_2) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 8-Azaxanthine GC-MS (TBDMS_1_3) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 8-Azaxanthine GC-MS (TBDMS_2_1) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 8-Azaxanthine GC-MS (TBDMS_2_2) - 70eV, Positive | Not Available | 2021-11-03 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 8-Azaxanthine GC-MS (TBDMS_2_3) - 70eV, Positive | Not Available | 2021-11-03 | 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-Azaxanthine 10V, Positive-QTOF | splash10-0udi-0900000000-c1145a6c300916081a78 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Azaxanthine 20V, Positive-QTOF | splash10-0w29-0900000000-ece65b9764a317041f87 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Azaxanthine 40V, Positive-QTOF | splash10-0pbi-9500000000-c34a426385004eb2d21a | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Azaxanthine 10V, Negative-QTOF | splash10-0udi-0900000000-a913099503b78f4fd059 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Azaxanthine 20V, Negative-QTOF | splash10-0006-9400000000-5800e2915a4fcac2c157 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Azaxanthine 40V, Negative-QTOF | splash10-0006-9100000000-a8ccbf39245b0a9b237c | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Azaxanthine 10V, Positive-QTOF | splash10-0udi-0900000000-d3f8618885440ba48281 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Azaxanthine 20V, Positive-QTOF | splash10-0udi-1900000000-0e8d76d012eda01d3748 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Azaxanthine 40V, Positive-QTOF | splash10-0api-9200000000-f3cfeba9121cff430e16 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Azaxanthine 10V, Negative-QTOF | splash10-0udi-0900000000-2f66011cbe3fb84d2780 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Azaxanthine 20V, Negative-QTOF | splash10-0f6x-9600000000-b768d6410fd3027b1783 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 8-Azaxanthine 40V, Negative-QTOF | splash10-000x-9100000000-6e1b5f0f09495789709a | 2021-10-12 | Wishart Lab | View Spectrum |
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